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Maine, USA

StandardDetailedBy ChemistryMineral Photos (1207)Site Photos (114)Search GoogleMineral Report for Region

Deposits of rare-element-bearing and gem-bearing granite pegmatites are well-known in Oxford, Androscoggin, and Sagadahoc Counties in the southwest portion of the State. These pegmatites were formerly noted for ceramic-grade feldspar production along with beryl and sheet muscovite. There are many lithium- and cesium-enriched LCT pegmatites in the Oxford County and Androsoggin County Field. In Sagadahoc County, Li- or Cs-enriched LCT granite pegmatites are uncommon and there are some NYF pegmatites, present. Additional granite pegmatites occur in Cumberland County and scattered in other areas. Additional deposits include small generally low-grade lead-zinc-copper sulfide deposits along the coastal region with a few important sulfide deposits in the eastern part of the coastal region and several larger high-grade deposits in the north central part of the state ranging from Oxford, Franklin, Somerset, Piscataquis, and Aroostook Counties. Large low-grade manganese silicate deposits are present in Aroostook County. Granite quarries are widespread in the southern portion of the State including coastal regions. High grade slate is still quarried in the Monson District. Lime-grade marble is still quarried in the Thomaston District. Much of the State is composed of metamorphic and plutonic igneous rocks, with relatively few sedimentary rocks.



References:
- King, V. and Foord, E., 1994, Mineralogy of Maine, Volume 1.
- King, V. and Foord, E., 2000, Mineralogy of Maine, Volume 2.

New detailed Mineralogy of Oxford County, Maine in progress. First Volume will be Maine Feldspar, Families, and Feuds appearing in May 2009.



Article entry:
Pegmatites: How to Locate a New Mineral Rich LocalityGary Powell




Mineral list contains entries from the region specified including sub-localities


Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [King, V., 2000, Mineralogy of Maine, v. 2.]
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
    Site Photo
    Crooker Gem Pegmatite Quarries (includes former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; several unnamed prospects), Newry, Oxford Co., Maine, USA
    © 2007 Peter Cristofono
  		•  'Adularia'
    KAlSi
     
    3
    		O
     
    8
    Reference: [No reference listed]
  		•  Aegirine
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v.1.]
  		•  Aegirine-augite
    (Na,Ca)(Fe
    3+
     
    		,Fe
    2+
     
    		,Mg,Al)Si
     
    2
    		O
     
    6
    Reference: [Gilman, R., 1978, Bedrock Gepology of the Newfield 15' Quadrangle, Maine, ME Geol Surv OF-78-10.]
  		•  Aenigmatite
    Na
     
    2
    		Fe
    2+
    5
    		TiO
     
    2
    		(Si
     
    6
    		O
     
    18
    		)
    Reference: [Toulmin, P., 1957, Notes on a Peralkaline Granite from Cashes Ledge, Gulf of Maine, American Mineralogist, 42: 912-915]
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Perry Petalite prospect, Peru, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Albite
    var: Andesine
    (Na,Ca)[Al(Si,Al)Si
     
    2
    		O
     
    8
    		]
    Colour: Off-white to greenish-white
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Berry Ledge locality, Cornish, York Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Albite
    var: Cleavelandite
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Tamminen Quarry, Greenwood, Oxford Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Albite
    var: Oligoclase
    (Na,Ca)[Al(Si,Al)Si
     
    2
    		O
     
    8
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Albite
    var: Sunstone
    Reference: [King, V. and Foord, E., 1994, 2000, Mineralogy of Maine, volume 1 and 2, with updates by Van King.]
    Site Photo
    Symmes Pond Syenite, Straw Hill, Newfield, York Co., Maine, USA
    © Van King
  		•  'Albite-Anorthite Series'
    Reference: [King & Foord, 1994: Mineralogy of Maine, V.1]
    Site Photo
    Heath Quarry, Casco, Cumberland Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Allanite-(Ce)
    {CaCe}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  Allophane
    (Al
     
    2
    		O
     
    3
    		)(SiO
     
    2
    		)
     
    1.3-2
    		·2.5-3H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Alluaudite ?
    (Na,Ca)Mn
    2+
     
    		(Fe
    3+
     
    		,Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    2
    		(PO
     
    4
    		)
     
    3
    Reference: [Tim Blake and Scott Soucey specimens]
    Site Photo
    Lookout Quarry, Rumford, Oxford Co., Maine, USA
    © Van King
  		•  Almandine
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Groves Quarry (Hole in the Ground Quarry), Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © Dick Dionne
  		•  Alunogen ?
    Al
     
    2
    		(SO
     
    4
    		)
     
    3
    		·17H
     
    2
    		O
    Description: post-mining efflorescence on pyrrhotite and not a true mineral of the locality.
    Reference: [King, V. and Foord, E. 1994, Mineralogy of Maine]
  		•  Amblygonite
    LiAl[(F,OH)|PO
     
    4
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998)]
  		•  Amblygonite
    var: Hebronite
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.; King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  'Amphibole Group'
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Minerals, Vol. 2]
  		•  Amphibole Group
    var: Uralite
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1, p.359.]
    Site Photo
    Webster prospects (Sanford vesuvianite locality; Goodall Farm prospect; Webster vesuvianite prospect), Sanford, York Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Analcime
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Reference: [Thompson, W.B., et.al., 1999, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.; Tschernich, R. (1992): Zeolites of the World, 65]
  		•  Anatase
    TiO
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Heath Quarry, Casco, Cumberland Co., Maine, USA
    © 2008 Peter Cristofono
  		•  Andalusite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [No reference listed]
    Site Photo
    Small Point, Phippsburg, Sagadahoc Co., Maine, USA
    © 2006 D. Levesque
  		•  Andalusite
    var: Chiastolite
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol.1]
    Site Photo
    Camden, Knox Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Andradite
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [CORRELATION AND STRATIGRAPHY OF EXOTIC BLOCKS IN THE VINALHAVEN PLUTON, MAINE, TO THE SEAL COVE FORMATION]
  		•  Anglesite
    PbSO
     
    4
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Anhydrite
    CaSO
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  Ankerite
    Ca(Fe
    2+
     
    		 ,Mg,Mn
    2+
     
    		)(CO
     
    3
    		)
     
    2
    Reference: [King, V. T. and Foord, E. E., 1994, Mineralogy of Maine.]
    Site Photo
    Heath Quarry, Casco, Cumberland Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Annite
    KFe
    2+
    3
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
  		•  Anorthite
    Ca[Al
     
    2
    		Si
     
    2
    		O
     
    8
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1]
  		•  Anorthite
    var: Bytownite
    (Ca,Na)[Al(Al,Si)Si
     
    2
    		O
     
    8
    		]
    Reference: [No reference listed]
  		•  Anorthite
    var: Labradorite
    (Ca,Na)[Al(Al,Si)Si
     
    2
    		O
     
    8
    		]
    Reference: []
  		•  Anorthoclase
    (Na,K)[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1]
  		•  Anthophyllite
    ☐[Mg
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
  		•  Antigorite
    (Mg,Fe
    2+
     
    		)
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
    Reference: [Fisher, L., 1934, Graphite in Pegmatite, American Mineralogist, v. 19, p. 169-177.; Morrill et al. (1958)]
  		•  Antigorite
    var: Bowenite
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1., pp. 65-66.]
  		•  'Apatite'
    Reference: [Wilson, W. E. (1977): Famous mineral localities: The Pulsifer Quarry. Mineralogical Record 8 (2), 72-77 ]
    Site Photo
    Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA
    © Henry Minot 2008
  		•  'Apatite
    var: Collophane'
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vo. 1.]
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Pulsifer Quarry & Dionne extension, Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © Van King
  		•  Apatite-(CaF)
    var: Carbonate-rich Apatite-(CaF)
    Ca
     
    5
    		[(F,O)|(PO
     
    4
    		,CO
     
    3
    		)
     
    3
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
  		•  Apatite-(CaF)
    var: Francolite
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2, with updates by Van King]
  		•  Apatite-(CaF)
    var: Mn-bearing Apatite-(CaF)
    (Ca,Mn
    2+
     
    		)
     
    5
    		(PO
     
    4
    		)
     
    3
    		(F,Cl,OH) or Ca
     
    5
    		([P,Mn
    3+
     
    		]O
     
    4
    		)
     
    3
    		(F,Cl,OH)
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine]
  		•  Apatite-(CaOH)
    Ca
     
    5
    		[OH|(PO
     
    4
    		)
     
    3
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Perry Petalite prospect, Peru, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Apatite-(CaOH)
    var: Carbonate-rich Apatite-(CaOH)
    Ca
     
    5
    		[(OH,O)|(PO
     
    4
    		,CO
     
    3
    		)
     
    3
    		]
    Reference: [No reference listed]
    Site Photo
    Lookout Quarry, Rumford, Oxford Co., Maine, USA
    © Van King
  		•  'Apophyllite'
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; Morrill et al. 1958.]
  		•  Aragonite
    CaCO
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Arfvedsonite
    [Na][Na
     
    2
    		][Fe
    2+
    4
    		Fe
    3+
     
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol.1., p.32]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Maine Feldspar Quarry, Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © 2006 D. Levesque
  		•  Astrophyllite
    (K,Na)
     
    3
    		(Fe,Mn)
     
    7
    		Ti
     
    2
    		Si
     
    8
    		O
     
    24
    		(O,OH)
     
    7
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v.1.]
  		•  Augelite
    Al
     
    2
    		[(OH)
     
    3
    		|PO
     
    4
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
  		•  Augite
    (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
    Reference: [No reference listed]
  		•  Augite
    var: Titanian Augite
    (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)
     
    2
    		O
     
    6
    Reference: [King & Foord, 1994: Mineralogy of Maine, V.1]
  		•  Aurichalcite
    (Zn,Cu)
     
    5
    		[(OH)
     
    3
    		|CO
     
    3
    		]
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Autunite
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Perry Petalite prospect, Peru, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Axinite-(Fe)
    Ca
     
    2
    		Fe
    2+
     
    		Al
     
    2
    		[OH|BSi
     
    4
    		O
     
    15
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Babingtonite
    Ca
     
    2
    		(Fe,Mn)FeSi
     
    5
    		O
     
    14
    		(OH)
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Barroisite
    ☐[CaNa][Mg
     
    3
    		AlFe
    3+
     
    		][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Baryte
    BaSO
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Bavenite
    Ca
     
    4
    		Be
     
    2
    		Al
     
    2
    		Si
     
    9
    		O
     
    26
    		(OH)
     
    2
    Reference: [King, V. and Foord, E., 1994, 2000, Mineralogy of Maine, V. 1., V.2]
  		•  Beidellite
    (Na,Ca
     
    0.5
    		)
     
    0.3
    		Al
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
  		•  Bementite
    Mn
     
    5
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    6
    Reference: []
  		•  Beraunite
    Fe
    2+
     
    		Fe
    3+
    5
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    4
    		] · 4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Berlinite
    Al[PO
     
    4
    		]
    Description: Found with cassiterite in an unspecified area "near Aurora" (Sid Williams, pers. Com., 1995). Specimen was a Phelps Dodge Company mineral exploration sample (more detailed location in their closed files).
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Bermanite
    Mn
    2+
     
    		(H
     
    2
    		O)
     
    4
    		[Mn
    3+
    2
    		(OH)
     
    2
    		(PO
     
    4
    		)
     
    2
    		]
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
  		•  Bertrandite
    Be
     
    4
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [http://coromotominerals.com/index.html]
    Site Photo
    Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Trenton Quarry (Trenton Flint and Spar Quarry), Topsham, Sagadahoc Co., Maine, USA
     
  		•  Beryl
    var: Aquamarine
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Stoneham, Oxford Co., Maine, USA
    © 2002 John H. Betts
  		•  Beryl
    var: Goshenite
    Reference: [No reference listed]
    Site Photo
    Dunn Quarry, Norway, Oxford Co., Maine, USA
    © 2006 D. Levesque
  		•  Beryl
    var: Heliodor
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Bumpus Quarry, Albany, Oxford Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Beryl
    var: Morganite
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  Beryllonite (TL)
    NaBe[PO
     
    4
    		]
    Type Locality: Joe McKeen Mountain locality (McKean Farm), Stoneham, Oxford Co., Maine, USA
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 679; Nickel & Nichols, 1991 - "Mineral Reference Manual", p21.]
    Site Photo
    Beryllonite Locality, Stoneham, Oxford Co., Maine, USA
    © Van King
  		•  β-Uranophane
    Ca(UO
     
    2
    		)
     
    2
    		[HSiO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Beudantite
    PbFe
     
    3
    		[(OH)
     
    6
    		|SO
     
    4
    		|AsO
     
    4
    		]
    Reference: []
  		•  Biotite
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Turner Quarries, Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Biotite
    var: Manganophyllite
    K(Mn,Mg,Al)
     
    2-3
    		(Al,Si)
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Birnessite
    (Na,Ca)
     
    0.5
    		(Mn
    4+
     
    		,Mn
    3+
     
    		)
     
    2
    		O
     
    4
    		 · 1.5H
     
    2
    		O
    Reference: [King & Foord, 1994. Mineralogy of Maine, p.63.]
  		•  Bismuth
    Bi
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Bismuthinite
    Bi
     
    2
    		S
     
    3
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Bismutite
    (BiO)
     
    2
    		CO
     
    3
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Bornite
    Cu
     
    5
    		FeS
     
    4
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B. , et.al., 1998; King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Boulangerite
    Pb
     
    5
    		Sb
     
    4
    		S
     
    11
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Bournonite
    PbCuSbS
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Braunite
    Mn
    2+
     
    		Mn
    3+
    6
    		[O
     
    8
    		|SiO
     
    4
    		]
    Reference: []
  		•  Brazilianite
    NaAl
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
  		•  Brochantite
    Cu
     
    4
    		[(OH)
     
    6
    		|SO
     
    4
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Brookite
    TiO
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine]
    Site Photo
    Consolidated #2 Quarry (Purington Quarry), Topsham, Sagadahoc Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Calcite
    CaCO
     
    3
    Reference: [MinRec. 25(3):175-184]
    Site Photo
    North Pit, Dragon Quarry, Thomaston, Knox Co., Maine, USA
    © 2002 John H. Betts
  		•  Cancrinite
    Na
     
    6
    		Ca
     
    2
    		[(CO
     
    3
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    Reference: [Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols]
    Site Photo
    Dennis Hill locality (Litchfield sodalite locality), Litchfield, Kennebec Co., Maine, USA
    © Charles Creekmur
  		•  Carminite
    PbFe
    3+
    2
    		[OH|AsO
     
    4
    		]
     
    2
    Reference: []
  		•  Carnotite
    K
     
    2
    		(UO
     
    2
    		)
     
    2
    		[VO
     
    4
    		]
     
    2
    		 · 3H
     
    2
    		O
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Minerals, Vol. 2]
  		•  Cassiterite
    SnO
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
    Site Photo
    Bennett Quarry, Buckfield, Oxford Co., Maine, USA
     
  		•  Cerussite
    PbCO
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
    Site Photo
    Callahan Mine (Harborside Mine; Cape Rosier Mine; Rosier Consolidated Mine), Brooksville, Hancock Co., Maine, USA
    © 2009 Peter Cristofono
  		•  'Chalcedony'
    Reference: [Morrill and Hinckley, 1959. Maine Mines and Minerals vol.2]
    Site Photo
    Loring Cove, Perry, Washington Co., Maine, USA
    © Van King
  		•  'Chalcedony
    var: Agate'
    SiO
     
    2
    Reference: [Morrill and Hinckley, 1959. Maine Mines and Minerals vol.2]
    Site Photo
    Loring Cove, Perry, Washington Co., Maine, USA
    © Van King
  		•  'Chalcedony
    var: Bloodstone'
    Reference: [Morrill and Hinckley, 1959. Maine Mines and Minerals vol.2]
  		•  'Chalcedony
    var: Carnelian'
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Mineral Localities, Vol. 2.]
  		•  Chalcocite
    Cu
     
    2
    		S
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Chalcophanite
    (Zn,Fe,Mn)Mn
     
    3
    		O
     
    7
    		·3H
     
    2
    		O
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Chalcophyllite
    Cu
     
    18
    		Al
     
    2
    		[(OH)
     
    9
    		|SO
     
    4
    		|AsO
     
    4
    		]
     
    3
    		 · 33H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Callahan Mine (Harborside Mine; Cape Rosier Mine; Rosier Consolidated Mine), Brooksville, Hancock Co., Maine, USA
     
  		•  Chamosite
    (Fe
    2+
     
    		,Mg)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [King, V. T., 2009, Maine Feldspar, Families, and Feuds, book in press.]
    Site Photo
    Heath Quarry, Casco, Cumberland Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Childrenite
    (Fe
    2+
     
    		,Mn
    2+
     
    		)Al[(OH)
     
    2
    		|PO
     
    4
    		] · H
     
    2
    		O
    Description: Iron-rich childrenite zones with eosphorite were found in one chemical and optical study.
    Reference: [Hurlbut, C, 1950, AM, v. 35, p. 793-805; King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
  		•  Chlorargyrite
    AgCl
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; Morrill et al. 1958.]
  		•  'Chlorite Group'
    Reference: [No reference listed]
  		•  Chromite
    FeCr
     
    2
    		O
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vo. 1.]
  		•  Chrysoberyl
    BeAl
     
    2
    		O
     
    4
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Witt Hill Chrysoberyl locality, Greenwood, Oxford Co., Maine, USA
    © Scott Whittemore
  		•  Chrysocolla
    (Cu,Al)
     
    2
    		H
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·nH
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Chrysotile
    Mg
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  Cimolite
    Al
     
    4
    		Si
     
    9
    		O
     
    24
    		·6H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  Clarkeite
    (Na,Ca,Pb)
     
    2
    		U
     
    2
    		(O,OH)
     
    7
    Reference: [Not found according to King, V. T., 1994, Mineralogy of Maine, Descriptive Mineralogy, v. 1]
  		•  Clinochlore
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
  		•  Clinochlore
    var: Pennine
    Reference: [Gems and Minerals of America - Jay Ellis Ransom-1974]
  		•  Clinochrysotile
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Clinozoisite
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Webster prospects (Sanford vesuvianite locality; Goodall Farm prospect; Webster vesuvianite prospect), Sanford, York Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Cobaltite
    CoAsS
    Description: The report is based on 'thin section" observation. The confirmation of the occurrence is lacking. No data are published. Cobaltite is not the most common cobalt sulfide known and the identification is improbable. Note: Recently the reference web page is no longer available.
    Reference: [www.dartmouth.edu/~cehs/ArsenicConference/Reeve.html ]
  		•  Columbite
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
    Reference: [No reference listed]
    Site Photo
    Noyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford Co., Maine, USA
    © 2006 D. Levesque
  		•  Columbite-(Fe)
    FeNb
     
    2
    		O
     
    6
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Fisher Quarry, Topsham, Sagadahoc Co., Maine, USA
    © S.M. Whittemore
  		•  Columbite-(Mn)
    (Mn,Fe)(Nb,Ta)
     
    2
    		O
     
    6
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA
    © SMS 2005
  		•  Cookeite (TL)
    LiAl
     
    4
    		(Si
     
    3
    		Al)O
     
    10
    		(OH)
     
    8
    Type Locality: Mt Mica Quarry, Paris, Oxford Co., Maine, USA
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
    Site Photo
    Mt Mica Quarry, Paris, Oxford Co., Maine, USA
    © Van King
  		•  Copiapite
    Fe
    2+
     
    		Fe
    3+
    4
    		[OH|(SO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 20H
     
    2
    		O
    Reference: [No reference listed]
  		•  Copper
    Cu
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Cordierite
    (Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
    Reference: [Economic Geology Vol. 81, 1986 ,pp. 530-552]
  		•  Corundum
    Al
     
    2
    		O
     
    3
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Covellite
    CuS
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Crandallite
    CaAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Cryptomelane
    K(Mn
    4+
     
    		,Mn
    2+
     
    		)
     
    8
    		O
     
    16
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
    Site Photo
    Bumpus Quarry, Albany, Oxford Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Cubanite
    CuFe
     
    2
    		S
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Cummingtonite
    [ ][Mg
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [No reference listed]
  		•  Cuprite
    Cu
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  'Cymatolite'
    Reference: [Dick Dionne]
    Site Photo
    Greenwood, Oxford Co., Maine, USA
    © Rob Lavinsky
  		•  'Dahllite'
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  Datolite
    CaB[OH|SiO
     
    4
    		]
    Reference: [Thompson, W.B., et.al., 1999, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  'Deweylite'
    Mg
     
    4
    		Si
     
    3
    		O
     
    10
    		·6H
     
    2
    		O ?
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  Diadochite
    Fe
    3+
    2
    		(PO
     
    4
    		)(SO
     
    4
    		)(OH)·5H
     
    2
    		O
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
    Site Photo
    Lookout Quarry, Rumford, Oxford Co., Maine, USA
    © Van King
  		•  'Diallage'
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Mineral Localities, Vol. 2.]
  		•  Diaspore
    AlO(OH)
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v.1.]
  		•  Dickinsonite-(KMnNa)
    {KNa}{Mn
    2+
     
    		[ ]}{Ca}{Na
     
    3
    		}{Mn
    2+
    13
    		}{Al}[(OH)
     
    2
    		|(PO
     
    4
    		)
     
    12
    		]
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Cornish, York Co., Maine, USA
    © Scott Whittermore
  		•  Dolomite
    CaMg(CO
     
    3
    		)
     
    2
    Reference: [No reference listed]
  		•  Dravite
    [Na][Mg
     
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998)]
    Site Photo
    Nevel Quarry (Twin Tunnels; United Feldspar Quarry), Newry, Oxford Co., Maine, USA
    © 2002 John H. Betts
  		•  Dumortierite
    (Al,Fe
    3+
     
    		)
     
    7
    		[O
     
    3
    		|BO
     
    3
    		|(SiO
     
    4
    		)
     
    3
    		]
    Reference: [King, V., 2008, Maine Feldspar, Families, and Feuds]
  		•  Earlshannonite
    Mn
    2+
     
    		Fe
    3+
    2
    		(PO
     
    4
    		)
     
    2
    		(OH)
     
    2
    		·4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Edenite
    Na[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, V 1, p.113]
  		•  Elbaite
    [Na][(Li,Al)
     
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
    Site Photo
    Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
    © Rob Lavinsky
  		•  Enargite
    Cu
     
    3
    		AsS
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; Seal, R.R., II, Foley, N.K., Haffner, D.P., and Meier, A., 1998, Environmental geochemistry of surface and ground waters around the Bald Mountain massive sulfide deposit, northern Maine: natural backgrounds from a mineralized, but unmined area [abs.]: Geological Society of America, Abstracts with Programs, v. 30, p. A128.]
  		•  Enstatite
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [No reference listed]
  		•  Eosphorite
    (Mn
    2+
     
    		,Fe
    2+
     
    		)Al[(OH)
     
    2
    		|PO
     
    4
    		] · H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Crooker Gem Pegmatite Quarries (includes former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; several unnamed prospects), Newry, Oxford Co., Maine, USA
    © Van King
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [http://coromotominerals.com/index.html]
    Site Photo
    Heath Quarry, Casco, Cumberland Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Euclase
    BeAl[OH|SiO
     
    4
    		]
    Reference: [Don Swenson collection]
  		•  Eucryptite
    LiAl[SiO
     
    4
    		]
    Description: There is no eucryptite present at this locality, either as true eucryptite or as a mixture of quartz plus albite. The spodumene from this locality does have a pale red fluorescence, but this test is inadequate to verify eucryptite.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
  		•  Evansite ?
    Al
     
    3
    		[(OH)
     
    6
    		|PO
     
    4
    		] · 6H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  Fairfieldite
    Ca
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		)[PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Fayalite
    Fe
    2+
    2
    		[SiO
     
    4
    		]
    Reference: [No reference listed]
  		•  'Feldspar Group'
    Reference: [No reference listed]
    Site Photo
    Bumpus Quarry, Albany, Oxford Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Ferberite
    FeWO
     
    4
    Reference: [No reference listed]
  		•  Ferrimolybdite
    Fe
     
    2
    		[MoO
     
    4
    		]
     
    3
    		 · nH
     
    2
    		O
    Reference: [No reference listed]
  		•  Ferro-edenite
    [Na][Ca
     
    2
    		][Fe
    2+
    5
    		][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
    Reference: [Wiebe et al., Journal of Petrology 38:393-423]
  		•  Ferrohornblende
    ☐[Ca
     
    2
    		][Fe
    2+
    4
    		Al][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
    Reference: [Boudette, E., 1991, USGS Misc. Inv. Map I-2059]
  		•  Ferropargasite
    [Na][Ca
     
    2
    		][Fe
    2+
    4
    		Al][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Ferrosilite
    Fe
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [No reference listed]
  		•  Ferrostrunzite
    Fe
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Fluorite
    CaF
     
    2
    Description: Occurs as tiny (<1 mm) cubic crystals with small octahedron and dodecahedron modifications. Color is light gray with a very slightly purple tint. Found in vugs with bright pink scalenodral rhodochrosite and light smoky quartz crystals.
    Reference: [Van King specimen]
    Site Photo
    Old Country Road locality, Thomaston, Knox Co., Maine, USA
    © 2002 John H. Betts
  		•  Fluornatromicrolite
    (Na,Ca,Bi)
     
    2
    		Ta
     
    2
    		O
     
    6
    		F
    Reference: [King, V., and Foord, E., 2000, Mineralogy of Maine]
  		•  Foitite
    [ ][Fe
    2+
    2
    		(Al,Fe
    3+
     
    		)][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
    Site Photo
    Fisher Quarry, Topsham, Sagadahoc Co., Maine, USA
    © Rob Lavinsky
  		•  Forsterite
    Mg
     
    2
    		[SiO
     
    4
    		]
    Reference: [No reference listed]
  		•  Fourmarierite
    PbU
     
    4
    		O
     
    13
    		·4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Fergusonite-(Y)
    YNbO
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
  		•  Gahnite
    ZnAl
     
    2
    		O
     
    4
    Reference: [No reference listed]
    Site Photo
    Groves Quarry (Hole in the Ground Quarry), Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © Van King
  		•  Gainesite (TL)
    Na(Na,K)(Be,Li)Zr
     
    2
    		[PO
     
    4
    		]
     
    4
    		 · 1.5-2H
     
    2
    		O
    Type Locality: Nevel Quarry (Twin Tunnels; United Feldspar Quarry), Newry, Oxford Co., Maine, USA
    Reference: [Amer.Min.(1983) 68, 1022-1028; "Mineralogy of Maine, Vol. 1" by King, V.T. & Foord, E.E., Maine Geologic Survey, 1994]
    Site Photo
    Nevel Quarry (Twin Tunnels; United Feldspar Quarry), Newry, Oxford Co., Maine, USA
    © 2009, JGW
  		•  Galena
    PbS
    Reference: ["Mineralogy of Maine, Vol. 1" by King, V.T. & Foord, E.E., Maine Geologic Survey, 1994]
    Site Photo
    Union Limestone Quarries (Knox Lime Company Quarries), Union, Knox Co., Maine, USA
    © 2009 Peter Cristofono
  		•  Galena
    var: Argentiferous Galena
    Reference: []
  		•  Ganophyllite
    (K,Na,Ca)
     
    2
    		Mn
     
    8
    		(Si,Al)
     
    12
    		(O,OH)
     
    32
    		·8H
     
    2
    		O
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  'Garnet Group'
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Reference: [No reference listed]
    Site Photo
    US Route 1 locality, Falmouth, Cumberland Co., Maine, USA
    © 2009 Peter Cristofono
  		•  'Garnierite'
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
  		•  Gedrite
    ☐[Mg
     
    2
    		][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol.1, p.29.]
  		•  Gersdorffite
    NiAsS
    Reference: [No reference listed]
  		•  Gibbsite
    Al(OH)
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v.1.]
  		•  Glucine
    CaBe
     
    4
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 0.5H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  Goethite
    α-Fe
    3+
     
    		O(OH)
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Route 26 road cuts, New Gloucester, Cumberland Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Gold
    Au
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
    Site Photo
    Swift River Gold locality, Byron, Oxford Co., Maine, USA
    © Van King
  		•  Gorceixite
    BaAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Description: Floater crystals to 5 mm
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Goyazite
    SrAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Graftonite
    (Fe
    2+
     
    		,Mn
    2+
     
    		,Ca)
     
    3
    		[PO
     
    4
    		]
     
    2
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Graphite
    C
    Reference: ["Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al. , 1998]
    Site Photo
    Union Limestone Quarries (Knox Lime Company Quarries), Union, Knox Co., Maine, USA
    © 2009 Peter Cristofono
  		•  Grayite
    (Th,Pb,Ca)PO
     
    4
    		·H
     
    2
    		O
    Description: Pale yellow crystals to 1 mm with xenotime-(Y) and thorgummite.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  Greenockite
    CdS
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Greifensteinite
    Ca
     
    2
    		(Fe
    2+
     
    		, Mn)
     
    5
    		Be
     
    4
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    6
    		] · 6H
     
    2
    		O
    Reference: [www.uno.edu/pegmatology/abstract/abstniz.html.]
    Site Photo
    Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
    © S.M. Whittemore
  		•  Grossular
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [No reference listed]
    Site Photo
    Pitts-Tenney Quarry, Minot, Androscoggin Co., Maine, USA
    © Henry Minot 2009
  		•  Grossular
    var: Hessonite
    Reference: []
    Site Photo
    Chute prospect, Casco, Cumberland Co., Maine, USA
    © Joseph A. Freilich
  		•  Grunerite
    [ ][Fe
    2+
    2
    		][Fe
    2+
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol. 1., p.178.]
  		•  'Gummite'
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1]
  		•  Gypsum
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Halite
    NaCl
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Halloysite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [No reference listed]
  		•  Halloysite-7Å
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  Hawleyite ?
    CdS
    Reference: [Scott Soucey and Tim Blake specimens]
    Site Photo
    Lookout Quarry, Rumford, Oxford Co., Maine, USA
    © Van King
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Gin Cove, Perry, Washington Co., Maine, USA
    © Van King
  		•  Hematite
    var: Specularite
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Hemimorphite
    Zn
     
    4
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Hercynite
    FeAl
     
    2
    		O
     
    4
    Reference: [No reference listed]
  		•  Hercynite
    var: Picotite
    (Fe,Mg)(Al,Cr)
     
    2
    		O
     
    4
    Description: Has a question mark in reference indicating that the species is misidentified.
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Herderite
    CaBe[(F,OH)|PO
     
    4
    		]
    Description: To date, there are only one or two verified herderite specimens in the world and that is a gemstone from Brazil. Specimens from this locality have been chemically analyzed and are true hydroxylherderite.
    Reference: [Leavens, P., Dunn, P., and Gaines, R., 1978, Compositional and Refractive Index Variations of the herderite-hydroxyl-herderite series, American Mineralogist, v. 63, p. 913-917.]
  		•  Heterosite
    (Fe
    3+
     
    		,Mn
    3+
     
    		)[PO
     
    4
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998)]
    Site Photo
    Rose Quartz Crystal Locality (Pegmatite 24), Newry, Oxford Co., Maine, USA
    © 2002 John H. Betts
  		•  'Heterosite-Purpurite Series'
    Reference: [various added photos]
    Site Photo
    West Greenwood prospect, Greenwood, Oxford Co., Maine, USA
    © Gary M. Powell
  		•  Hisingerite
    Fe
    3+
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·2H
     
    2
    		O
    Reference: ["Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al. , 1998]
  		•  Holmquistite
    ☐[Li
     
    2
    		][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1, p.187.]
  		•  'Hornblende'
    Reference: [No reference listed]
    Site Photo
    Cook Road Staurolite locality, Windham, Cumberland Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Hübnerite
    MnWO
     
    4
    Reference: [King, V. and Foord, 1994, Mineralogy of Maine, volume 1.]
  		•  Humite
    (Mg,Fe
    2+
     
    		)
     
    7
    		[(F,OH)
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		]
    Description: brownish pink grains to several mm in calc-silicate rock.
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol. 1., p.188.]
  		•  Hureaulite
    (Mn,Fe)
     
    5
    		(PO
     
    3
    		OH)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Hurlbutite
    CaBe
     
    2
    		[PO
     
    4
    		]
     
    2
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998)]
  		•  'Hydronephelite'
    Description: Dennis Hill is the type locality for this mineral, but it has been shown to be a mixture of gibbsite, natrolite, and diaspore. Hydronephelite was once called "white sodalite" as it formed a rim on normal blue sodalite.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v.1.]
  		•  Hydroxylherderite
    CaBe[(OH,F)|PO
     
    4
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine;[MinRec 26:577]
    Site Photo
    Keith Quarry (Towne Quarry), Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © Joseph A. Freilich, LLC
  		•  Hydrozincite
    Zn
     
    5
    		[(OH)
     
    3
    		|CO
     
    3
    		]
     
    2
    Reference: [No reference listed]
  		•  Hypersthene
    (Fe,Mg)SiO
     
    3
    Reference: [Houston (1956) Genetic Study of Some Pyrrhotite Deposits of Maine and New Brunswick]
  		•  Iddingsite
    MgO·Fe
     
    2
    		O
     
    3
    		·3SiO
     
    2
    		·4H
     
    2
    		O
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Mineral Localities, Vol. 2.]
  		•  Illite
    K
     
    0.65
    		A
     
    2.0
    		 [][Al
     
    0.65
    		Si,
     
    3.35
    		O
     
    10
    		](OH)
     
    2
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Ishikawaite
    U
    4+
     
    		Fe
    2+
     
    		Nb
     
    2
    		O
     
    8
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Standpipe Hill Quarries, Topsham, Sagadahoc Co., Maine, USA
    © FED '08
  		•  'Jahnsite'
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2, with updates by Van King]
  		•  Jahnsite-(CaMnFe)
    CaMn
    2+
     
    		Fe
    2+
    2
    		Fe
    3+
    2
    		(PO
     
    4
    		)
     
    4
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Jahnsite-(CaMnMn)
    CaMn
    2+
     
    		Mn
    2+
    2
    		Fe
    3+
    2
    		(PO
     
    4
    		)
     
    4
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    Reference: ["Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al. , 1998]
  		•  Jahnsite-(MnMnMn)
    Mn
    2+
     
    		Mn
    2+
     
    		Mn
    2+
    2
    		Fe
    3+
    2
    		(PO
     
    4
    		)
     
    4
    		](OH)
     
    2
    		 · 8H
     
    2
    		O
    Reference: [Thompson, W, Joyner, D., Woodman, R., and King, V., 1998. Maine Mineral Localities, 3rd ed.; King and Foord, 1994, Mineralogy of Maine]
  		•  Jarosite ?
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [Tim Blake and Scott Soucey specimens]
  		•  Kaersutite
    [Na][Ca
     
    2
    		][Mg
     
    4
    		Ti][O|OH|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [King & Foord, 1994: Mineralogy of Maine, V.1]
    Site Photo
    Rte 202 road cut, Auburn, Androscoggin Co., Maine, USA
    © 2006 D. Levesque
  		•  Kainosite-(Y)
    Ca
     
    2
    		(Y,Ce)
     
    2
    		Si
     
    4
    		O
     
    12
    		CO
     
    3
    		·H
     
    2
    		O
    Reference: [King, V. and Foord, E., 2000, Mineralogy of Maine, volume 2, Addenda.]
  		•  Kamphaugite-(Y)
    Ca(Y,REE)[OH|(CO
     
    3
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: [King, V. and Foord, E., 2000, Mineralogy of Maine, volume 2, Addenda.]
  		•  Kaolinite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
  		•  Kasolite
    Pb(UO
     
    2
    		)[SiO
     
    4
    		] · H
     
    2
    		O
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Kastningite
    (Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Description: Kastningite at this locality occurs in the same paragenetic setting as mangangordonite in the blue tourmaline rims filled by siderite, quartz, and late phosphates. Kastningite is colorless to white, but commonly transparent with a steeply sloping termination. It is possible that kastningite may be associated with the much rarer mangangordonite.
    Reference: [Van King]
    Site Photo
    Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
    © Van King
  		•  Kerolite
    (Mg,Ni)
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·H
     
    2
    		O
    Reference: [Rocks & Minerals (1955) 30:365-366]
  		•  Kosnarite (TL)
    KZr
     
    2
    		(PO
     
    4
    		)
     
    3
    Type Locality: Black Mt. Quarry, Rumford, Oxford Co., Maine, USA
    Reference: [Brownfield, M. E., Foord, E. E., Sutley, S. J. and Botinelly, T. (1993): Kosnarite, KZr2(PO4)3, a new mineral from Mount Mica and Black Mountain, Oxford County, Maine. Am. Mineral. 78, 653-656.]
    Site Photo
    Mt Mica Quarry, Paris, Oxford Co., Maine, USA
    © Van King
  		•  Kyanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [No reference listed]
    Site Photo
    Cook Road Staurolite locality, Windham, Cumberland Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Lacroixite
    NaAl[F|PO
     
    4
    		]
    Reference: [ http://rruff.geo.arizona.edu/doclib/hom/lacroixite.pdf.]
  		•  Landesite (TL)
    Mn
    2+
    3-x
    		Fe
    3+
    x
    		[(OH)
     
    x
    		|(PO
     
    4
    		)
     
    2
    		] · (3-x)H
     
    2
    		O
    Type Locality: Berry-Havey Quarry, Poland, Androscoggin Co., Maine, USA
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 730; King, V. and Foord, E. (1994) Mineralogy of Maine, V.1.]
  		•  Laueite
    Mn
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Laumontite
    CaAl
     
    2
    		Si
     
    4
    		O
     
    12
    		·4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Lazulite
    (Mg,Fe
    2+
     
    		)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1., p.211]
  		•  Lepidocrocite
    γ-Fe
    3+
     
    		O(OH)
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Lepidolite
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Turner Quarries, Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Leucite
    KAlSi
     
    2
    		O
     
    6
    Reference: [www.galleries.com/minerals/silicate/leucite/leucite.htm]
  		•  Leucophosphite
    KFe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 2H
     
    2
    		O
    Reference: [No reference listed]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
    Site Photo
    Maine Feldspar Quarry, Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © 2007 D. Levesque
  		•  Linarite
    PbCu[(OH)
     
    2
    		|SO
     
    4
    		]
    Reference: [Rocks & Minerals 81:208-213; King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Linnaeite
    Co
    2+
     
    		Co
    3+
    2
    		S
     
    4
    Reference: [Rocks & Minerals (1955) 30:365-366]
  		•  Lithiophilite
    LiMn
    2+
     
    		[PO
     
    4
    		]
    Description: Landes (1925) analyzed lithiophilite from this locality and found the Mn/Mn + Fe ratio was 0.94
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 667.]
    Site Photo
    Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Lizardite
    Mg
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
    Reference: [Dana 8:1419]
  		•  Löllingite
    FeAs
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Ludlamite
    (Fe,Mn,Mg)
     
    3
    		(PO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
    Reference: [Mineralogy of Maine,Vol 2: Mining History, Gems, and Geology. By King & Mineral News Vol. 12 No. 5 May 1996 By Douglas Watts ]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Mackinawite
    (Fe,Ni)
     
    9
    		S
     
    8
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Magnesiochromite
    MgCr
     
    2
    		O
     
    4
    Description: Has a question mark in the reference indicating the species is misidentified.
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Magnesiohornblende
    ☐[Ca
     
    2
    		][Mg
     
    4
    		Al][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Magnesite
    MgCO
     
    3
    Reference: [http://pubs.usgs.gov/of/2005/1189/downloads/asbestos_sites.xls.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Topsham, Sagadahoc Co., Maine, USA
    © 2008 Peter Cristofono
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [King, V. (ed.), 2009, Maine feldspar, Families, and Feuds]
  		•  'Manganese Oxides
    var: Manganese Dendrites'
    Reference: [AmMin 10:355-411 (1925)]
    Site Photo
    Maine Feldspar Quarry, Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © 2008 D. Levesque
  		•  Mangangordonite (TL)
    Mn
    2+
     
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Type Locality: Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1., p.225.]
    Site Photo
    Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
    © Van King
  		•  Manganite
    Mn
    3+
     
    		O(OH)
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
  		•  Manganocummingtonite
    [ ][Mn
    2+
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Marcasite
    FeS
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Margarite
    CaAl
     
    2
    		[(OH)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    Reference: [AmMin 61:431 (1976)]
  		•  Marialite
    Na
     
    4
    		[Cl|(AlSi
     
    3
    		O
     
    8
    		)
     
    3
    		]
    Reference: [King & Foord, 1994: Mineralogy of Maine, V.1]
  		•  Mccrillisite (TL)
    NaCs(Be,Li)Zr
     
    2
    		(PO
     
    4
    		)
     
    4
    		·1-2H
     
    2
    		O
    Type Locality: Mt Mica Quarry, Paris, Oxford Co., Maine, USA
    Reference: [Can.Min.(1994) 32, 839-842]
    Site Photo
    Mt Mica Quarry, Paris, Oxford Co., Maine, USA
    © Van King
  		•  Meionite
    Ca
     
    4
    		[CO
     
    3
    		|(Al
     
    2
    		Si
     
    2
    		O
     
    8
    		)
     
    3
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Webster prospects (Sanford vesuvianite locality; Goodall Farm prospect; Webster vesuvianite prospect), Sanford, York Co., Maine, USA
    © 2004 Peter Cristofono
  		•  Melanterite
    FeSO
     
    4
    		·7H
     
    2
    		O
    Reference: [No reference listed]
  		•  Messelite
    Ca
     
    2
    		(Fe
    2+
     
    		,Mn
    2+
     
    		)[PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Meta-autunite
    Ca(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		· 6-8H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Lord Hill Quarry, Stoneham, Oxford Co., Maine, USA
    © Scott Whittemore
  		•  Metaschoepite
    UO
     
    3
    		 · 1-2H
     
    2
    		O
    Reference: [No reference listed]
  		•  Metastibnite
    Sb
     
    2
    		S
     
    3
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Metaswitzerite
    Mn
     
    3
    		(PO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Metatorbernite
    Cu(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [No reference listed]
    Site Photo
    Lord Hill Quarry, Stoneham, Oxford Co., Maine, USA
    © S.M. Whittemore
  		•  Metauranocircite
    Ba(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 7H
     
    2
    		O
    Description: Formerly unknown #9.
    Reference: [King, V. and Foord, E., 2000, Mineralogy of Maine, volume 2.]
  		•  'Mica Group'
    Reference: [No reference listed]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Greenlaw Quarry, Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA
    © 2006 D. Levesque
  		•  Microcline
    var: Amazonite
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Microlite
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
    Reference: [No reference listed]
    Site Photo
    Fisher Quarry, Topsham, Sagadahoc Co., Maine, USA
    © Van King
  		•  Mimetite
    Pb
     
    5
    		[Cl|(AsO
     
    4
    		)
     
    3
    		]
    Reference: []
  		•  Mitridatite
    Ca
     
    2
    		Fe
    3+
    3
    		[O
     
    2
    		|(PO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    Reference: [No reference listed]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Molybdenite
    MoS
     
    2
    Reference: [http://coromotominerals.com/index.html]
    Site Photo
    Consolidated #2 Quarry (Purington Quarry), Topsham, Sagadahoc Co., Maine, USA
    © 2008 Jesse Crawford
  		•  Molybdite
    MoO
     
    3
    Reference: [Gems and Minerals of America - Jay Ellis Ransom -1974]
  		•  Monazite-(Ce)
    (Ce,La,Nd,Th)PO
     
    4
    Reference: [No reference listed]
    Site Photo
    Standpipe Hill Quarries, Topsham, Sagadahoc Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Montebrasite
    LiAl[(OH,F)|PO
     
    4
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Bell Pit (Bell Quarry), Newry, Oxford Co., Maine, USA
    © Van King
  		•  Montmorillonite
    (Na,Ca)
     
    0.33
    		(Al,Mg)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Tamminen Quarry, Greenwood, Oxford Co., Maine, USA
    © 2004 Peter Cristofono
  		•  Moraesite
    Be
     
    2
    		[OH|PO
     
    4
    		] · 4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2]
    Site Photo
    Estes Quarry, Baldwin, Cumberland Co., Maine, USA
    © Elmar Lackner
  		•  'Mountain Leather'
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Maine, USA
     
  		•  Muscovite
    var: Damourite
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  Muscovite
    var: Fuchsite
    K(Al,Cr)
     
    3
    		Si
     
    3
    		O
     
    10
    		(OH)
     
    2
    Reference: [No reference listed]
    Site Photo
    Wolfe's Neck locality, Freeport, Cumberland Co., Maine, USA
    © 2000 John H. Betts
  		•  Muscovite
    var: Lithian Muscovite
    Reference: [Rocks & Min., November 2000]
  		•  Natrolite
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v.1.]
  		•  Natromontebrasite
    Description: Misidentified by a mineral dealer so the fake name could be sold.The mineral is ordinary montebrasite. Chemically analyzed.
    Reference: [King, V. and Foord,E., 1994. Mineralogy of Maine, V. 1.]
  		•  Neotocite
    (Mn,Fe,Mg)SiO
     
    3
    		·H
     
    2
    		O
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Nepheline
    (Na,K)[AlSiO
     
    4
    		]
    Reference: [No reference listed]
    Site Photo
    Litchfield, Kennebec Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Nickeline
    NiAs
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  'Nickel-iron'
    Reference: [www.maine.gov/doc/nrimc/mgs/explore/minerals/sites/mar99.htm]
  		•  Niggliite
    PtSn
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  Nontronite
    Na
     
    0.3
    		Fe
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Van King specimen]
  		•  Nsutite
    (Mn
    4+
     
    		,Mn
    2+
     
    		)(O,OH)
     
    2
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Olenite
    (Na,[ ])[(Al,Li)
     
    3
    		][Al
     
    6
    		][(O,OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [Fisher, 1935. Minerals In Bates Limestone, Lewiston, Maine (AmMin 21)]
  		•  Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [No reference listed]
  		•  Opal
    var: Opal-AN
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [www.geocities.com/~stuarts1031/fluorescent4.html ]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Orpiment
    As
     
    2
    		S
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Orthoclase
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Gilman, R., 1978, Bedrock Gepology of the Newfield 15' Quadrangle, Maine, ME Geol Surv OF-78-10.]
    Site Photo
    Route 105 road cut, Appleton, Knox Co., Maine, USA
    © Van King
  		•  Palermoite
    (Li,Na)
     
    2
    		(Sr,Ca)Al
     
    4
    		[PO
     
    4
    		]
     
    4
    		(OH)
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Paragonite
    NaAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Description: Careful reading of the article shows that no paragonite was found as a species. The most sodic mica found was only 26 mole percent paragonite and the paper only claimed that there was a paragonite "component" to the muscovite.
    Reference: [Cheney and Guidotti, Am Min 58: 1076-1079]
  		•  Pargasite
    [Na][Ca
     
    2
    		][Mg
     
    4
    		Al][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Pectolite
    NaCa
     
    2
    		[HSi
     
    3
    		O
     
    9
    		]
    Description: Incorrect formation to yield pectolite. Misidentified.
    Reference: [King, V. and Foord, E., mineralogy of Maine, v. 1.]
  		•  Pentlandite
    (Fe,Ni)
     
    9
    		S
     
    8
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  Perhamite (TL)
    (Ca,Sr)
     
    3
    		Al
     
    7.7
    		Si
     
    3
    		P
     
    4
    		O
     
    23.5
    		(OH)
     
    14.1
    		·8H
     
    2
    		O
    Type Locality: Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
    Reference: [Mineralogical Magazine 41,437-442(1977)]
    Site Photo
    Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA
    © Dick Dionne
  		•  'Perthite'
    Reference: [P Cristofono collection]
    Site Photo
    Bumpus Quarry, Albany, Oxford Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Petalite
    LiAlSi
     
    4
    		O
     
    10
    Reference: [Rocks & Min.: 62:403-404.]
    Site Photo
    Tamminen Quarry, Greenwood, Oxford Co., Maine, USA
     
  		•  Pharmacosiderite
    KFe
    3+
    4
    		[(OH)
     
    4
    		|(AsO
     
    4
    		)
     
    3
    		] · 6-7H
     
    2
    		O
    Reference: []
  		•  Phenakite
    Be
     
    2
    		[SiO
     
    4
    		]
    Reference: [www.johnbetts-fineminerals.com]
    Site Photo
    Lord Hill Quarry, Stoneham, Oxford Co., Maine, USA
    © Van King
  		•  Phengite
    Reference: [King & Foord, 1994: Mineralogy of Maine, V.1]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [John Raymond]
  		•  'Phosphoferrite-Reddingite Series' ?
    Reference: [Tim Blake and Scott Soucey specimens]
  		•  Phosphophyllite
    Zn
     
    2
    		Fe(PO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Phosphosiderite
    FePO
     
    4
    		·2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Phosphuranylite
    (H
     
    3
    		O)
     
    3
    		KCa(UO
     
    2
    		)
     
    7
    		[O|PO
     
    4
    		]
     
    4
    		 · 8H
     
    2
    		O
    Reference: [No reference listed]
  		•  Pigeonite
    (Mg,Fe
    2+
     
    		,Ca)(Mg,Fe
    2+
     
    		)[Si
     
    2
    		O
     
    6
    		]
    Reference: [King & Foord, 1994: Mineralogy of Maine, V.1]
  		•  'Pinite'
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1]
  		•  'Pisolite'
    Reference: [Morrill and Hinckley, 1959. Maine Mines and Minerals vol.2]
  		•  Platinum
    Pt
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v.1.]
  		•  Pollucite
    (Cs,Na)
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
    © Van King
  		•  Polycrase-(Y)
    (Y,U)(Ti,Nb)
     
    2
    		O
     
    6
    Reference: [Rocks & Min. Vol.71,No.3, p.195]
  		•  Powellite
    Ca[MoO
     
    4
    		]
    Reference: [Leavitt, D. L., and Leavitt, N. J., 1993: Mineralogy of the Sanford vesuvianite deposit. Mineralogical Record, v. 24 (5), p. 359-364]
    Site Photo
    Webster prospects (Sanford vesuvianite locality; Goodall Farm prospect; Webster vesuvianite prospect), Sanford, York Co., Maine, USA
    © 2009 Peter Cristofono
  		•  Prehnite
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
    Reference: [Thompson, W.B., et.al., 1999, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
    Site Photo
    Route 1 road cut, Calais, Washington Co., Maine, USA
     
  		•  Proustite
    Ag
     
    3
    		AsS
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; Morrill et al. 1958.]
  		•  Pseudolaueite
    Mn
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, 2000, Mineralogy of Maine, volume 1 and 2, with updates by Van King.]
    Site Photo
    Crooker Gem Pegmatite Quarries (includes former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; several unnamed prospects), Newry, Oxford Co., Maine, USA
    © Van King
  		•  Pumpellyite-(Fe2+)
    Ca
     
    2
    		Fe
    2+
     
    		Al
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    Description: Found in a band of rocks cutting through the County.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
  		•  Pumpellyite-(Mg)
    Ca
     
    2
    		MgAl
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    Reference: [ef.: Dana 7:I:320; Rocks & Min.: 62:403-404. King & Foord, 1994: Mineralogy of Maine, V 1, p. 281]
  		•  Purpurite
    (Mn
    3+
     
    		,Fe
    3+
     
    		)[PO
     
    4
    		]
    Reference: [No reference listed]
    Site Photo
    B.B. #7 Quarry, Norway, Oxford Co., Maine, USA
    © DV Minerals
  		•  Pyrargyrite
    Ag
     
    3
    		SbS
     
    3
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; Morrill et al. 1958.]
  		•  Pyrite
    FeS
     
    2
    Reference: [http://coromotominerals.com/index.html]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Pyrite
    var: Bravoite
    (Fe,Ni)S
     
    2
    Reference: [No reference listed]
  		•  Pyrolusite
    MnO
     
    2
    Reference: [King, V. and Foord, E. 1994, Mineralogy of Maine]
  		•  Pyromorphite
    Pb
     
    5
    		[Cl|(PO
     
    4
    		)
     
    3
    		]
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geologic Survey, Augusta]
  		•  Pyrophanite
    Mn
    2+
     
    		TiO
     
    3
    Reference: []
    Site Photo
    Symmes Pond Syenite, Straw Hill, Newfield, York Co., Maine, USA
    © Van King
  		•  Pyrophyllite
    Al
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  'Pyroxene Group'
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Minerals, Vol. 2]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Lookout Quarry, Rumford, Oxford Co., Maine, USA
    © Van King
  		•  Pyrrhotite
    var: Nickeloan Pyrrhotite
    Reference: []
  		•  Quartz
    SiO
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Tamminen Quarry, Greenwood, Oxford Co., Maine, USA
    © 2004 Peter Cristofono
  		•  Quartz
    var: Amethyst
    SiO
     
    2
    Reference: [www.johnbetts-fineminerals.com]
    Site Photo
    Saltman Amethyst locality, Sweden, Oxford Co., Maine, USA
    © 2001 John H. Betts
  		•  Quartz
    var: Blue Quartz
    Reference: [Morrill and Hinckley, 1959. Maine Mines and Minerals vol.2]
    Site Photo
    Estes Quarry, Baldwin, Cumberland Co., Maine, USA
    © 2009 Peter Cristofono
  		•  Quartz
    var: Chert
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol.1]
  		•  Quartz
    var: Citrine
    Reference: [No reference listed]
  		•  Quartz
    var: Cubic Quartz
    Reference: [various added photos]
    Site Photo
    Tamminen Quarry, Greenwood, Oxford Co., Maine, USA
    © Gary M. Powell
  		•  Quartz
    var: Jasper
    Reference: [Kunz,1892: Gems & Precious Stones of N. America, p.133.]
  		•  Quartz
    var: Milky Quartz
    Reference: [AmMin 10:355-411 (1925)]
    Site Photo
    Augusta, Kennebec Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Quartz
    var: Rock Crystal
    Reference: []
    Site Photo
    Waisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Quartz
    var: Rose Quartz
    Reference: [http://coromotominerals.com/index.html]
    Site Photo
    Rose Quartz Crystal Locality (Pegmatite 24), Newry, Oxford Co., Maine, USA
    © Rob Lavinsky
  		•  Quartz
    var: Rutilated Quartz
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Minerals, Vol. 2]
  		•  Quartz
    var: Smoky Quartz
    SiO
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Mt Mica Quarry, Paris, Oxford Co., Maine, USA
    © Henry Minot 2008
  		•  Rammelsbergite
    NiAs
     
    2
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  Realgar
    As
     
    4
    		S
     
    4
    Reference: [SEM-EDS]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Reddingite
    (Mn,Fe)
     
    3
    		(PO
     
    4
    		)
     
    2
    		·3H
     
    2
    		O
    Habit: Bipyramidal crystals
    Colour: Red to pink
    Description: 14 mm crystals in 1931.
    Reference: [King, V. and Mann, J., 2008, World's Largest Reddingite Crystals Found at Buckfield, Maine, USA]
    Site Photo
    Bennett Quarry, Buckfield, Oxford Co., Maine, USA
    © Van King
  		•  Rhodochrosite
    MnCO
     
    3
    Description: Possibly world's largest crystals from a granite pegmatite.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
    Site Photo
    Bennett Quarry, Buckfield, Oxford Co., Maine, USA
    © Rob Lavinsky
  		•  Rhodonite
    MnSiO
     
    3
    Reference: []
  		•  Riebeckite
    [ ][Na
     
    2
    		][Fe
    2+
    3
    		Fe
    3+
    2
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v.1.]
  		•  Robertsite
    Ca
     
    3
    		Mn
    3+
    4
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 3H
     
    2
    		O
    Reference: [No reference listed]
  		•  Rockbridgeite
    Fe
    2+
     
    		Fe
    3+
    4
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    3
    		]
    Reference: [No reference listed]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Romanèchite
    (Ba,H
     
    2
    		O)
     
    2
    		Mn
     
    5
    		O
     
    10
    Description: Localities which had psilomelane reported have been indiscriminately relabeled as romanèchite. As in this case, the original material was never analyzed and the listing appears erroneous.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
  		•  Rosasite
    (Cu,Zn)
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Roscherite
    Ca
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    5
    		Be
     
    4
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    6
    		] · 6H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Estes Quarry, Baldwin, Cumberland Co., Maine, USA
    © Dick Dionne
  		•  Rossmanite
    [ ][LiAl
     
    2
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [Dyar MD, Taylor ME, Lutz TM, Francis CA, Guidotti CV, Wise M (1998) Inclusive chemical characterization of tourmaline: Mössbauer study of Fe valence and site occupancy. American Mineralogist 83, 848-864. [samples 45 and 46, labeled olenite, are actually rossmanite]. ]
  		•  Rutherfordine
    (UO
     
    2
    		)[CO
     
    3
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Rutile
    TiO
     
    2
    Reference: ["Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al. , 1998]
    Site Photo
    Heath Quarry, Casco, Cumberland Co., Maine, USA
    © 2009 Peter Cristofono
  		•  Rutile
    var: Ilmenorutile
    Fe
     
    x
    		(Nb,Ta)
     
    2x
    		·4Ti
     
    1-x
    		O
     
    2
    Reference: [King, V. (ed.), 2009, Maine feldspar, Families, and Feuds]
  		•  Safflorite
    (Co,Fe,Ni)As
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Samarskite-(Y)
    (Y,Fe
    3+
     
    		,Fe
    2+
     
    		,U,Th,Ca)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    8
    Reference: [King, V.T., 2000. Mineralogy of Maine, v.2.]
  		•  Sanidine
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Saponite
    Ca
     
    0.25
    		(Mg,Fe)
     
    3
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Thompson, W.B., et.al., 1999, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  'Scapolite'
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1]
  		•  Schafarzikite
    Fe
    2+
     
    		Sb
    3+
    2
    		O
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  Scheelite
    Ca[WO
     
    4
    		]
    Reference: [No reference listed]
    Site Photo
    Webster prospects (Sanford vesuvianite locality; Goodall Farm prospect; Webster vesuvianite prospect), Sanford, York Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Schoepite
    (UO
     
    2
    		)
     
    8
    		O
     
    2
    		(OH)
     
    12
    		 · 12H
     
    2
    		O
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
  		•  Schoonerite
    ZnMn
    2+
     
    		Fe
    2+
    2
    		Fe
    3+
     
    		(PO
     
    4
    		)
     
    3
    		(OH)
     
    2
    		 · 9H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Noyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford Co., Maine, USA
    © 2001 John H. Betts
  		•  'Schrötterite'
    Description: One specimen was observed that had a schrötterite identification, but was a clayey alteration of microcline and could have been montmorillonite.
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol. 1; Harvard U. Collection]
  		•  Scolecite
    Ca[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 3H
     
    2
    		O
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol. 1.]
  		•  Scorodite
    Fe
    3+
     
    		AsO
     
    4
    		·2H
     
    2
    		O
    Reference: ["Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al. , 1998]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Scorzalite
    (Fe
    2+
     
    		,Mg)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
    Site Photo
    Bumpus Quarry, Albany, Oxford Co., Maine, USA
    © 2008 Jesse Crawford
  		•  Sekaninaite
    (Fe,Mg)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  'Sericite'
    Reference: [King, V. (ed.), 2009, Maine feldspar, Families, and Feuds]
  		•  'Serpentine Group'
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Mineral Localities, Vol. 2.]
  		•  'Serpentine Group
    var: Retinalite'
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol. 1, p.304]
  		•  Serpierite
    Ca(Cu,Zn)
     
    4
    		(SO
     
    4
    		)
     
    2
    		(OH)
     
    6
    		·3H
     
    2
    		O
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol. 1, p.318; King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Siderite
    FeCO
     
    3
    Reference: [MinRec. 25(3):175-184]
    Site Photo
    Mt Mica Quarry, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Sillimanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [No reference listed]
  		•  Silver
    Ag
    Reference: [No reference listed]
  		•  Smithsonite
    ZnCO
     
    3
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998; King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Sodalite
    Na
     
    8
    		[Cl
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    Reference: [No reference listed]
    Site Photo
    Dennis Hill locality (Litchfield sodalite locality), Litchfield, Kennebec Co., Maine, USA
    © Van King
  		•  Souzalite
    (Mg,Fe
    2+
     
    		)
     
    3
    		(Al,Fe
    3+
     
    		)
     
    4
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
  		•  Sperrylite
    PtAs
     
    2
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  Spessartine
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [No reference listed]
    Site Photo
    Estes Quarry, Baldwin, Cumberland Co., Maine, USA
    © 2009 Peter Cristofono
  		•  Spinel
    MgAl
     
    2
    		O
     
    4
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  Spodumene
    LiAl[Si
     
    2
    		O
     
    6
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    B.B. #7 Quarry, Norway, Oxford Co., Maine, USA
     
  		•  Spodumene
    var: Kunzite
    Description: Transparent, gem quality and mostly flawless kunzite has been found as a single specimen (~4x4x1 cm) at the Dunton Quarry. Pink spodumene that is not of gem quality does not qualify as kunzite.
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
  		•  Stannite
    Cu
     
    2
    		(Fe,Zn)SnS
     
    4
    Reference: [Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.]
  		•  Staurolite
    (Fe
    2+
     
    		,Mg,Zn)
     
    1.5-2
    		Al
     
    9
    		[O
     
    6
    		|(OH,O)
     
    2
    		|(SiO
     
    4
    		)
     
    4
    		]
    Reference: [No reference listed]
    Site Photo
    Cook Road Staurolite locality, Windham, Cumberland Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Stellerite
    Ca[Al
     
    2
    		Si
     
    7
    		O
     
    18
    		] · 7H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Stephanite
    Ag
     
    5
    		SbS
     
    4
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; Morrill et al. 1958.]
  		•  Stevensite
    (Ca,Na)
     
    x
    		Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Stewartite
    Mn
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 730.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Stibiotantalite
    Sb(Ta,Nb)O
     
    4
    Reference: [No reference listed]
    Site Photo
    Fisher Quarry, Topsham, Sagadahoc Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Stibnite
    Sb
     
    2
    		S
     
    3
    Description: Large cleavages to over 10 x 2 cm.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
  		•  'Stilbite'
    Reference: [King & Foord, 1994. Mineralogy of Maine, Vol.1]
    Site Photo
    Route 1 road cut, Calais, Washington Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Stilbite-Ca
    NaCa
     
    4
    		[Al
     
    9
    		Si
     
    27
    		O
     
    72
    		] · nH
     
    2
    		O
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  Stilpnomelane
    (K,Ca,Na)(Fe
    2+
     
    		,Mg,Al,Fe
    3+
     
    		)
     
    8
    		(Si,Al)
     
    12
    		(O,OH)
     
    36
    		 · nH
     
    2
    		O
    Reference: [No reference listed]
    Site Photo
    Deer Isle mine, Deer Isle, Hancock Co., Maine, USA
    © 2009 Peter Cristofono
  		•  Strengite
    FePO
     
    4
    		·2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Stromeyerite
    AgCuS
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; Morrill et al. 1958.]
  		•  Strunzite
    Mn
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    Reference: [No reference listed]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  'Strunzite Group'
    Reference: [Tim Blake and Scott Soucey specimens]
  		•  Struvite
    NH
     
    4
    		MgPO
     
    4
    		·6H
     
    2
    		O
    Description: Typographical error for strunzite.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
  		•  Sulphur
    S
     
    8
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Switzerite
    (Mn,Fe)
     
    3
    		(PO
     
    4
    		)
     
    2
    		·7H
     
    2
    		O
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998; King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Talc
    var: Steatite
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [Morrill & Hinckley, 1959. Maine Mines & Minerals, Vol. 2]
  		•  Tantalite
    (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
    Description: Tantalite is very uncommon and many "tantalite" composition found worldwide are actually tapiolites.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  Tantalite-(Mn)
    MnTa
     
    2
    		O
     
    6
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
    Site Photo
    Bell Pit (Bell Quarry), Newry, Oxford Co., Maine, USA
    © O. Dziallas
  		•  'Tapiolite'
    (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
  		•  Tapiolite-(Fe)
    (Fe,Mn)(Ta,Nb)
     
    2
    		O
     
    6
    Reference: [MinRec. 25(3):175-184]
    Site Photo
    Perry Petalite prospect, Peru, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Tapiolite-(Mn)
    (Mn,Fe)(Ta,Nb)
     
    2
    		O
     
    6
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Tellurium
    Te
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; Morrill et al. 1958.]
  		•  Tennantite
    (Cu,Ag,Fe,Zn)
     
    12
    		As
     
    4
    		S
     
    13
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998; King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Tenorite
    CuO
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1]
  		•  Tetradymite
    Bi
     
    2
    		Te
     
    2
    		S
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; Morrill et al. 1958.]
  		•  Tetrahedrite ?
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [Dana 6:1054 only specifies a generic list of species for Blue Hill and does not mention this mine.]
  		•  Thomsonite-Ca
    NaCa
     
    2
    		[Al
     
    5
    		Si
     
    5
    		O
     
    20
    		] · 6H
     
    2
    		O
    Description: Unbelievable report based on an analysis of a fine-grained mixture before the days of X-ray diffraction, etc.
    Reference: [Hintze (1897), listed without comment by Tschernich (1992).]
  		•  Thorianite
    ThO
     
    2
    Reference: ["Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Thorogummite
    (Th,U)[(OH)
     
    4x
    		|(SiO
     
    4
    		)
     
    1-x
    		]
    Description: Sharp yellow rod-like crystals to several mm with simple pyramids
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
    Site Photo
    Havey #1 & #2 Quarries, Topsham, Sagadahoc Co., Maine, USA
    © Van King
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [No reference listed]
    Site Photo
    Webster prospects (Sanford vesuvianite locality; Goodall Farm prospect; Webster vesuvianite prospect), Sanford, York Co., Maine, USA
    © 2005 Peter Cristofono
  		•  Todorokite
    (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)
     
    6
    		O
     
    12
    		·3H
     
    2
    		O
    Reference: [Van King]
    Site Photo
    Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA
    © 2008 Peter Cristofono
  		•  Topaz
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
    Description: One 5 cm crystal found before 1925.
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
    Site Photo
    Lord Hill Quarry, Stoneham, Oxford Co., Maine, USA
    © 2007 Peter Cristofono
  		•  Torbernite
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Reference: [No reference listed]
    Site Photo
    Lookout Quarry, Rumford, Oxford Co., Maine, USA
    © Van King
  		•  Tosudite
    Description: This is tosudite-Li
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
  		•  Tosudite
    var: Lithium Tosudite
    Reference: [King, V. and Foord, E., 2000, Mineralogy of Maine, v2.]
    Site Photo
    Crooker Gem Pegmatite Quarries (includes former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; several unnamed prospects), Newry, Oxford Co., Maine, USA
    © Van King
  		•  'Tourmaline'
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z
    Reference: [Rocks & Min. (May, 1999)]
    Site Photo
    Perry Petalite prospect, Peru, Oxford Co., Maine, USA
    © Dick Dionne
  		•  'Tourmaline
    var: Achroite'
    Reference: [King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.]
  		•  'Tourmaline
    var: Indicolite'
    Description: Crystals of good quality are only very rarely found. Most specimens from this locality are of "representative" quality.
    Reference: [A. Plante, personal knowledge.]
    Site Photo
    Mt Mica Quarry, Paris, Oxford Co., Maine, USA
    © 2008 J. Zolan
  		•  'Tourmaline
    var: Rubellite'
    Description: Black Mountain Mine is noted for its "fans" of pink elbaite - some as large as perhaps a foot high and across. The material is largely non-gem quality to "representative" quality. Really good quality crystals are quite rare here. It is the size and aesthetics of the "fans" which have attracted collector attention to the locality over the years.
    Reference: [www.cseg.ca/conferences/2000/825.PDF.]
    Site Photo
    Mt Mica Quarry, Paris, Oxford Co., Maine, USA
     
  		•  'Tourmaline
    var: Verdelite'
    Description: Crystals of any quality are only rarely found. Most material is only of "representative" quality.
    Reference: [A. Plante, personal knowledge.]
  		•  'Tourmaline
    var: Watermelon Tourmaline'
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
  		•  Trilithionite
    K(Li,Al)
     
    3
    		[(F,OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [www.excaliburmineral.com/mins-z.htm ]
  		•  Triphylite
    LiFe
    2+
     
    		[PO
     
    4
    		]
    Description: One of the few pegmatites with both triphylite and lithiophilite - separated in paragenesis.
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
    Site Photo
    Estes Quarry, Baldwin, Cumberland Co., Maine, USA
    © 2006 Peter Cristofono
  		•  Triplite
    (Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		[(F,OH)|PO
     
    4
    		]
    Reference: [No reference listed]
  		•  Triploidite
    (Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		[OH|PO
     
    4
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Turgite
    Reference: [King, V. T., 2009, Maine Feldspar, Families, and Feuds.]
  		•  Tyuyamunite
    Ca(UO
     
    2
    		)
     
    2
    		[VO
     
    4
    		]
     
    2
    		 · 5-8H
     
    2
    		O
    Description: This is a thoroughly unbelievable geological environment.
    Reference: [Morrill, P. and a Lot of Other People, 1958, Maine Mines and Minerals, Western, Maine]
  		•  Ulvöspinel
    Fe
     
    2
    		TiO
     
    4
    Reference: []
  		•  Unnamed (Ca-analogue of Zigrasite)
    CaZr[PO
     
    4
    		]
     
    2
    		·4H
     
    2
    		O
    Reference: [Min.Mag. 73,415(2009)]
  		•  Uralolite
    Ca
     
    2
    		Be
     
    4
    		[OH|PO
     
    4
    		]
     
    3
    		 · 5H
     
    2
    		O
    Habit: fibrous aggregates of minute radiating bladed crystals
    Colour: white
    Reference: [Dunn, P.J. & Gaines, R.V. (1978): Uralolite from the Dunton Gem Mine, Newry, Maine: A second occurrence. Mineralogical Record 9(2), 99-100]
    Site Photo
    Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
    © Van King
  		•  Uraninite
    UO
     
    2
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Swamp #1 quarry, Topsham, Sagadahoc Co., Maine, USA
    © Rob Lavinsky
  		•  Uraninite
    var: Pitchblende
    UO
     
    2
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1, p.360.]
  		•  Uranocircite
    Ba(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 10H
     
    2
    		O
    Description: Formerly unknown #9.
    Reference: [King, V. and Foord, E., 2000, Mineralogy of Maine, volume 2.]
  		•  Uranophane
    Ca(UO
     
    2
    		)
     
    2
    		[HSiO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
    Reference: []
  		•  Ushkovite
    MgFe
    3+
    2
    		[PO
     
    4
    		]
     
    2
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Uvarovite
    Ca
     
    3
    		Cr
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.]
  		•  Valentinite
    Sb
     
    2
    		O
     
    3
    Reference: [Anderson, 1991. Maine Mineral Localities, 2nd ed.]
  		•  Valleriite
    (Fe
    2+
     
    		,Cu)
     
    4
    		(Mg,Al)
     
    3
    		[(OH,O)
     
    6
    		|S
     
    4
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v1.]
  		•  Vandendriesscheite
    PbU
     
    7
    		O
     
    22
    		·12H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Vanmeersscheite
    U
    4+
     
    		(UO
     
    2
    		)
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 4H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Väyrynenite
    Mn
    2+
     
    		Be[(OH,F)|PO
     
    4
    		]
    Reference: [King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.]
  		•  Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    Reference: ["Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998]
    Site Photo
    Webster prospects (Sanford vesuvianite locality; Goodall Farm prospect; Webster vesuvianite prospect), Sanford, York Co., Maine, USA
    © 2001 John H. Betts
  		•  Violarite
    Fe
    2+
     
    		Ni
    3+
    2
    		S
     
    4
    Reference: [King & Foord, 1994. Mineralogy of Maine, V.1.]
  		•  Vivianite
    Fe
    2+
    3
    		(PO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [No reference listed]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Walentaite
    H(Ca,Mn
    2+
     
    		,Fe
    2+
     
    		)Fe
    3+
    3
    		[(AsO
     
    4
    		,PO
     
    4
    		)]
     
    4
    		 · 7H
     
    2
    		O
    Reference: []
  		•  Wardite
    NaAl
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Whitlockite
    Ca
     
    9
    		Mg[PO
     
    3
    		OH][PO
     
    4
    		]
     
    6
    Reference: [Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols]
  		•  Whitmoreite
    Fe
    2+
     
    		Fe
    3+
    2
    		(PO
     
    4
    		)
     
    2
    		(OH)
     
    2
    		 · 4H
     
    2
    		O
    Reference: [No reference listed]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Wodginite
    Mn(Sn,Ta)Ta
     
    2
    		O
     
    8
    Reference: [MinRec 22:382]
    Site Photo
    Perry Petalite prospect, Peru, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Wolframite
    (Fe
    2+
     
    		)WO
     
    4
     
     
    		to (Mn
    2+
     
    		)WO
     
    4
    Reference: [No reference listed]
  		•  Wollastonite
    Ca[SiO
     
    3
    		]
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.]
  		•  Wölsendorfite
    (Pb,Ca)U
     
    2
    		O
     
    7
    		·2H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
  		•  Wulfenite
    Pb[MoO
     
    4
    		]
    Description: Occurs as very minute orange square crystals <<1 mm.
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.]
    Site Photo
    Colton Hill Quarry, Stow, Oxford Co., Maine, USA
    © 2009 Peter Cristofono
  		•  Wurtzite
    (Zn,Fe)S
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.]
  		•  Xanthoxenite
    Ca
     
    4
    		Fe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 3H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.]
    Site Photo
    Ryerson Hill Quarries, Paris, Oxford Co., Maine, USA
    © Dick Dionne
  		•  Xenotime-(Y)
    YPO
     
    4
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine.]
    Site Photo
    Havey #1 & #2 Quarries, Topsham, Sagadahoc Co., Maine, USA
    © Van King
  		•  Zanazziite
    Ca
     
    2
    		(Mg,Fe)(Mg,Fe,Al)
     
    4
    		Be
     
    4
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    6
    		] · 6H
     
    2
    		O
    Reference: [King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2, with updates by Van King]
    Site Photo
    Crooker Gem Pegmatite Quarries (includes former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; several unnamed prospects), Newry, Oxford Co., Maine, USA
    © Henry Minot 2009
  		•  Zigrasite (TL)