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Maine, USA

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.




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


Mineral List:
Acanthite
Actinolite
'Adularia'
Aegirine
Aegirine-augite
Aenigmatite
Albite
var: Andesine
var: Cleavelandite
var: Oligoclase
var: Sunstone
'Albite-Anorthite Series'
Allanite-(Ce)
Allophane
Alluaudite ?
Almandine
Alunogen ?
Amblygonite
var: Hebronite
'Amphibole Group'
var: Uralite
Analcime
Anatase
Andalusite
var: Chiastolite
Andradite
Anglesite
Anhydrite
Ankerite
Annite
Anorthite
var: Bytownite
var: Labradorite
Anorthoclase
Anthophyllite
Antigorite
var: Bowenite
'Apatite'
'var: Collophane'
Apatite-(CaF)
var: Carbonate-rich Apatite-(CaF)
var: Francolite
var: Mn-bearing Apatite-(CaF)
Apatite-(CaOH)
var: Carbonate-rich Apatite-(CaOH)
'Apophyllite'
Aragonite
Arfvedsonite
Arsenopyrite
Astrophyllite
Augelite
Augite
var: Titanian Augite
Aurichalcite
Autunite
Axinite-(Fe)
Azurite
Babingtonite
Barroisite
Baryte
Bavenite
Beidellite
Bementite
Beraunite
Berlinite
Bermanite
Bertrandite
Beryl
var: Aquamarine
var: Goshenite
var: Heliodor
var: Morganite
Beryllonite (TL)
β-Uranophane
Beudantite
Biotite
var: Manganophyllite
Birnessite
Bismuth
Bismuthinite
Bismutite
Bornite
Boulangerite
Bournonite
Braunite
Brazilianite
Brochantite
Brookite
Calcite
Cancrinite
Carminite
Carnotite
Cassiterite
Cerussite
'Chalcedony'
'var: Agate'
'var: Bloodstone'
'var: Carnelian'
Chalcocite
Chalcophanite
Chalcophyllite
Chalcopyrite
Chamosite
Childrenite
Chlorargyrite
'Chlorite Group'
Chromite
Chrysoberyl
Chrysocolla
Chrysotile
Cimolite
Clarkeite
Clinochlore
var: Pennine
Clinochrysotile
Clinozoisite
Cobaltite
Columbite
Columbite-(Fe)
Columbite-(Mn)
Cookeite (TL)
Copiapite
Copper
Cordierite
Corundum
Covellite
Crandallite
Cryptomelane
Cubanite
Cummingtonite
Cuprite
'Cymatolite'
'Dahllite'
Datolite
'Deweylite'
Diadochite
'Diallage'
Diaspore
Dickinsonite-(KMnNa)
Diopside
Dolomite
Dravite
Dumortierite
Earlshannonite
Edenite
Elbaite
Enargite
Enstatite
Eosphorite
Epidote
Euclase
Eucryptite
Evansite ?
Fairfieldite
Fayalite
'Feldspar Group'
Ferberite
Ferrimolybdite
Ferro-edenite
Ferrohornblende
Ferropargasite
Ferrosilite
Ferrostrunzite
Fluorite
Fluornatromicrolite
Foitite
Forsterite
Fourmarierite
Fergusonite-(Y)
Gahnite
Gainesite (TL)
Galena
var: Argentiferous Galena
Ganophyllite
'Garnet Group'
'Garnierite'
Gedrite
Gersdorffite
Gibbsite
Glucine
Goethite
Gold
Gorceixite
Goyazite
Graftonite
Graphite
Grayite
Greenockite
Greifensteinite
Grossular
var: Hessonite
Grunerite
'Gummite'
Gypsum
Halite
Halloysite
Halloysite-7Å
Hawleyite ?
Hematite
var: Specularite
Hemimorphite
Hercynite
var: Picotite
Herderite
Heterosite
Hisingerite
Holmquistite
'Hornblende'
Hübnerite
Humite
Hureaulite
Hurlbutite
'Hydronephelite'
Hydroxylherderite
Hydrozincite
Hypersthene
Iddingsite
Illite
Ilmenite
Ishikawaite
'Jahnsite'
Jahnsite-(CaMnFe)
Jahnsite-(CaMnMn)
Jahnsite-(MnMnMn)
Jarosite ?
Kaersutite
Kainosite-(Y)
Kamphaugite-(Y)
Kaolinite
Kasolite
Kastningite
Kerolite
Kosnarite (TL)
Kyanite
Lacroixite
Landesite (TL)
Laueite
Laumontite
Lazulite
Lepidocrocite
Lepidolite
Leucite
Leucophosphite
Limonite
Linarite
Linnaeite
Lithiophilite
Lizardite
Löllingite
Ludlamite
Mackinawite
Magnesiochromite
Magnesiohornblende
Magnesite
Magnetite
Malachite
'Manganese Oxides
var: Manganese Dendrites'

Mangangordonite (TL)
Manganite
Manganocummingtonite
Marcasite
Margarite
Marialite
Mccrillisite (TL)
Meionite
Melanterite
Messelite
Meta-autunite
Metaschoepite
Metastibnite
Metaswitzerite
Metatorbernite
Metauranocircite
'Mica Group'
Microcline
var: Amazonite
Microlite
Mimetite
Mitridatite
Molybdenite
Molybdite
Monazite-(Ce)
Montebrasite
Montmorillonite
Moraesite
'Mountain Leather'
Muscovite
var: Damourite
var: Fuchsite
var: Lithian Muscovite
Natrolite
Natromontebrasite
Neotocite
Nepheline
Nickeline
'Nickel-iron'
Niggliite
Nontronite
Nsutite
Olenite
'Olivine'
Opal
var: Opal-AN
Orpiment
Orthoclase
Palermoite
Paragonite
Pargasite
Pectolite
Pentlandite
Perhamite (TL)
'Perthite'
Petalite
Pharmacosiderite
Phenakite
Phengite
Phlogopite
'Phosphoferrite-Reddingite Series' ?
Phosphophyllite
Phosphosiderite
Phosphuranylite
Pigeonite
'Pinite'
'Pisolite'
Platinum
Pollucite
Polycrase-(Y)
Powellite
Prehnite
Proustite
Pseudolaueite
Pumpellyite-(Fe2+)
Pumpellyite-(Mg)
Purpurite
Pyrargyrite
Pyrite
var: Bravoite
Pyrolusite
Pyromorphite
Pyrophanite
Pyrophyllite
'Pyroxene Group'
Pyrrhotite
var: Nickeloan Pyrrhotite
Quartz
var: Amethyst
var: Blue Quartz
var: Chert
var: Citrine
var: Jasper
var: Milky Quartz
var: Rock Crystal
var: Rose Quartz
var: Rutilated Quartz
var: Smoky Quartz
Rammelsbergite
Realgar
Reddingite
Rhodochrosite
Rhodonite
Riebeckite
Robertsite
Rockbridgeite
Romanèchite
Rosasite
Roscherite
Rossmanite
Rutherfordine
Rutile
var: Ilmenorutile
Safflorite
Samarskite-(Y)
Sanidine
Saponite
'Scapolite'
Schafarzikite
Scheelite
Schoepite
Schoonerite
Schorl
'Schrötterite'
Scolecite
Scorodite
Scorzalite
Sekaninaite
'Sericite'
'Serpentine Group'
'var: Retinalite'
Serpierite
Siderite
Sillimanite
Silver
Smithsonite
Sodalite
Souzalite
Sperrylite
Spessartine
Sphalerite
Spinel
Spodumene
var: Kunzite
Stannite
Staurolite
Stellerite
Stephanite
Stevensite
Stewartite
Stibiotantalite
Stibnite
'Stilbite'
Stilbite-Ca
Stilpnomelane
Strengite
Stromeyerite
Strunzite
'Strunzite Group'
Struvite
Sulphur
Switzerite
Talc
var: Steatite
Tantalite
Tantalite-(Mn)
'Tapiolite'
Tapiolite-(Fe)
Tapiolite-(Mn)
Tellurium
Tennantite
Tenorite
Tetradymite
Tetrahedrite ?
Thomsonite-Ca
Thorianite
Thorogummite
Titanite
Todorokite
Topaz
Torbernite
Tosudite
var: Lithium Tosudite
'Tourmaline'
'var: Achroite'
'var: Indicolite'
'var: Rubellite'
'var: Verdelite'
'var: Watermelon Tourmaline'
Tremolite
Trilithionite
Triphylite
Triplite
Triploidite
Turgite
Tyuyamunite
Ulvöspinel
Unnamed (Ca-analogue of Zigrasite)
Uralolite
Uraninite
var: Pitchblende
Uranocircite
Uranophane
Ushkovite
Uvarovite
Valentinite
Valleriite
Vandendriesscheite
Vanmeersscheite
Väyrynenite
Vesuvianite
Violarite
Vivianite
Walentaite
Wardite
Whitlockite
Whitmoreite
Wodginite
Wolframite
Wollastonite
Wölsendorfite
Wulfenite
Wurtzite
Xanthoxenite
Xenotime-(Y)
Zanazziite
Zigrasite (TL)
Zinnwaldite
Zircon
var: Cyrtolite
Zoisite


6385 entries listed. 346 valid minerals. 9 type localities (valid minerals). 34 erroneous literature entries.

Localities in this Region:
USA
 
  • Maine
      • Castle Hill
      • Hammond Place
      • Linneus
      • Monticello
      • New Limerick
      • T12 R8 WELS
      • T3R9WELS
      • TD R2 WELS
      • Baldwin - Standish
      • Bridgeton
        • Pleasant Mountain
      • Cumberland
        • Jaquish Island
      • Naples
      • New Gloucester
      • Yarmouth
      • Alder Stream
      • Alder Stream Township
      • Carrabassett Valley
      • Carthage
      • Dallas Plantation
      • Eustis
      • Flagstaff
      • Jay
      • Rangeley
      • Rangeley Plantation
      • Redington
      • Township D
        • Small's Falls
      • Upper Cupsuptic Township
      • Franklin
      • Gouldsboro
      • Sedgwick
      • Sorrento
      • Southwest Harbor
        • Crotch Island
      • Sullivan
        • Sullivan District
      • T10 SD
      • Verona
        • Verona Island
      • Gardiner
      • Monmouth
      • Winslow
      • Appleton
      • Saint George
      • South Thomaston
      • St. George
        • Clark Island
        • Dragon Quarry
      • Washington
      • Andover Surplus
      • Brownfield
        • Davis Hill
      • Bryant Pond
      • Byron
      • Denmark
      • Dixfield
        • Uncle Tom Mt
      • Porter
        • Mine Pond
        • Colton Hill
        • Wiley Mt.
      • Upton
      • Garland
      • Hermon
      • Lakeville
      • Levant
      • T6 R6 WELS
      • Little Squaw
      • West Bath
      • Attean
      • Concord
      • Lower Enchanted
      • Parlin Pond Township
      • Skowhegan
      • Frankfort
      • Liberty
      • Northport
      • Palermo
      • Cooper
      • Eastport
      • Edmunds
      • Lubec
      • Marshfield
      • Milbridge
      • Princeton
      • Eliot
      • Kennebunkport
        • Straw Hill
      • North Berwick
      • Sanford
      • Shapleigh

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Maine, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 4th Nov 2009 02:05:16