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Lebanon Co., Pennsylvania, USA

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


Mineral List:
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [Econ Geol (1985) 80:418-443]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © 2007, JGW
  		•  'Adularia'
    KAlSi
     
    3
    		O
     
    8
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Analcime
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Habit: Trapazoidal crystals, larger crystals often exhibit poor edging
    Colour: white to colorless
    Fluorescence: none
    Description: Occurance in the triassic diabase at the Cornwall Magnetite mines of the Bethlehem Steel Company. fine crystals of Analcime assocciated with very good Apophyllite crystals, and other zeolites have been found, notably, in The number 4 mine at Cornwall.
    Reference: [The Mineralogy of Pennsylvania, 1922-1965; A. Montgomery, pg 89; Tschernich, R. (1992): Zeolites of the World, 70]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Anatase
    TiO
     
    2
    Reference: [Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, Min. Soc. of PA, Inc.: 15; Friends of Mineralogy Newsletter, Region 3 (Summer ed. 1975): 2.]
  		•  Andalusite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Description: According to "Mineralogy of Pennsylvania 1966-1975", Robert C. Smith, Andalusite has been removed from the list of occurrences in Pennsylvania. All existing specimens tested by x-ray powder diffraction proved to be Kyanite pseudos (M. L. Crawford, 1975).
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania Mineralogy of Pennsylvania 1966-1975, Robert C. Smith, pg. 3]
  		•  Andradite
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [No reference listed]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Anorthite
    var: Labradorite
    (Ca,Na)[Al(Al,Si)Si
     
    2
    		O
     
    8
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Anorthoclase
    (Na,K)[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  'Apatite'
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  'Apophyllite'
    Habit: rossettes of tabular crystals
    Colour: colorless
    Reference: [Tschernich, R. (1992): Zeolites of the World, 70]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Apophyllite-(KOH)
    KCa
     
    4
    		[(OH,F)|Si
     
    8
    		O
     
    20
    		] · 8H
     
    2
    		O
    Reference: [Kearns, L.E. & Kearns, C.A. (2008) Mineral News, 24, #1, 8-9.]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © 2007, JGW
  		•  Aragonite
    CaCO
     
    3
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Augite
    (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Baryte
    BaSO
     
    4
    Reference: [Kearns, L.E. & Kearns, C.A. (2008) Mineral News, 24, #1, 8-9.]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © 2008, JGW
  		•  Bieberite
    CoSO
     
    4
    		·7H
     
    2
    		O
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Biotite
    Reference: [No reference listed]
  		•  Botryogen
    MgFe
    3+
     
    		[OH|(SO
     
    4
    		)
     
    2
    		] · 7H
     
    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: 618.]
  		•  Brochantite
    Cu
     
    4
    		[(OH)
     
    6
    		|SO
     
    4
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Brucite
    Mg(OH)
     
    2
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Calcite
    CaCO
     
    3
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Rocks & Min.: 13:213.]
  		•  Chalcanthite
    CuSO
     
    4
    		·5H
     
    2
    		O
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Chalcocite
    Cu
     
    2
    		S
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Rocks & Min.: 13:213.; Econ Geol (1985) 80:418-443]
  		•  'Chlorite Group'
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Tschernich, R. (1992): Zeolites of the World, 70; Econ Geol (1985) 80:418-443]
  		•  Chrysocolla
    (Cu,Al)
     
    2
    		H
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·nH
     
    2
    		O
    Habit: Botryoidal and stalagtitic coatings.
    Colour: Beautiful shades between blue and green, also blackish green
    Fluorescence: none
    Description: specimens of great beauty, of various shades between green and blue, sometimes of a blackish green color, and has also be found as a pseudomorph after dolomite. (Genth, pg.105)
    Reference: [Ref 1. Second Geological survey of Pennsylvania: 1874 Preliminary Report on the Mineralogy of Pennsylvania; F. A. Genth, Pg. B.105. Ref. 2.)Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Chrysotile
    Mg
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  'Clinopyroxene Subgroup'
    Reference: [Kearns, L.E. & Kearns, C.A. (2008) Mineral News, 24, #1, 8-9.]
  		•  Copper
    Cu
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Covellite
    CuS
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Crednerite ?
    CuMnO
     
    2
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Cuprite
    Cu
     
    2
    		O
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Datolite
    CaB[OH|SiO
     
    4
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Econ Geol (1985) 80:418-443]
  		•  Elbaite
    [Na][(Li,Al)
     
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Enstatite
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Econ Geol (1985) 80:418-443]
  		•  Erythrite
    Co
     
    3
    		(AsO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Fluorite
    CaF
     
    2
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Galena
    PbS
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  'Garnet Group'
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Reference: [Econ Geol (1985) 80:418-443]
  		•  'Gmelinite' ?
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Grossular
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Gypsum
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Harmotome ?
    (Ba
     
    0.5
    		,Ca
     
    0.5
    		,K,Na)
     
    5
    		[Al
     
    5
    		Si
     
    11
    		O
     
    32
    		] ·12H
     
    2
    		O
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [Rocks & Min.: 13:213.; Econ Geol (1985) 80:418-443]
  		•  'Heulandite'
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  'Hornblende'
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Hypersthene
    (Fe,Mg)SiO
     
    3
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Kaolinite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Langite
    Cu
     
    4
    		[(OH)
     
    6
    		|SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the PA List 1965-1974, The Min. Soc. of PA, Inc.: 51-52; Gordon, Samuel G. (1922), Mineralogy of PA: 147.]
  		•  Laumontite
    CaAl
     
    2
    		Si
     
    4
    		O
     
    12
    		·4H
     
    2
    		O
    Reference: [The tumbler - Zeolites And TheirAssociations, Milt Leet Sept 2004 pg. 4; Tschernich, R. (1992): Zeolites of the World, 70]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Habit: octahedral, frequently with crystal edging modifications
    Colour: Silvery grey, metalic luster
    Description: Magnetite was the main constituant or primary ore processed at Cornwall. The mines were in continuous operation, to varying degrees, from 1740, up to the time of it's closing and ranked as the longest continuing mining operation in the US. The mines were finally closed by flood waters created when Hurricane Agnes came through the area in 1972.
    Reference: [Rocks & Min.: 13:213.; Econ Geol (1985) 80:418-443]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Marcasite
    FeS
     
    2
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Millerite
    NiS
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Econ Geol (1985) 80:418-443]
  		•  Natrolite
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
    Habit: needles
    Reference: [Tschernich, R. (1992): Zeolites of the World, 70]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  'Olivine' ?
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Orthoclase
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Econ Geol (1985) 80:418-443]
  		•  Pigeonite
    (Mg,Fe
    2+
     
    		,Ca)(Mg,Fe
    2+
     
    		)[Si
     
    2
    		O
     
    6
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Prehnite
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Pumpellyite-(Mg)
    Ca
     
    2
    		MgAl
     
    2
    		[(OH)
     
    2
    		|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    Reference: [Reed, Juliet C. (1976), Annotated Biblio. of Mins. New to the Pa List 1965-1974, The Mineralogical Soc. of PA, Inc.: 67-68; Zen, E-an (1970), "Pumpellyite from Bunker Hill, SE Pa,: US Geol. Sur Research, Prof. Paper 700A: A127; Lapham, D. M., and Barnes, J. H. (1971), "Unusual Mins Found in Pa," PA Geol, Vol. 2(6):2-3; Grant, R. W. (Jul, 1974), "PA Mins" (PM), PM(139), Keystone Newsletter. ]
  		•  Pyrite
    FeS
     
    2
    Reference: [Rocks & Min.: 13:213; Tschernich, R. (1992): Zeolites of the World, 70; Econ Geol (1985) 80:418-443]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Pyroaurite
    Mg
     
    6
    		Fe
    3+
    2
    		[(OH)
     
    16
    		|CO
     
    3
    		] · 4H
     
    2
    		O
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  'Pyroxene Group'
    Reference: [No reference listed]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Quartz
    SiO
     
    2
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Rhodochrosite ?
    MnCO
     
    3
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Ruizite
    Ca
     
    2
    		Mn
    3+
    2
    		[(OH)
     
    2
    		|H
     
    2
    		Si
     
    4
    		O
     
    13
    		] · 2H
     
    2
    		O
    Reference: [Kearns, L.E. & Kearns, C.A. (2008) Mineral News, 24, #1, 8-9.]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © Van King
  		•  Rutile
    TiO
     
    2
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  'Serpentine Group'
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
    Reference: [Rocks & Min.: 13:213.; Econ Geol (1985) 80:418-443]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
    Site Photo
    Smith Quarry, Mt Gretna, Manheim, Lebanon Co., Pennsylvania, USA
    © Melissa Ward Carroll
  		•  'Stilbite'
    Reference: [Tschernich, R. (1992): Zeolites of the World, 70]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [Econ Geol (1985) 80:418-443]
  		•  Thomsonite-Ca
    NaCa
     
    2
    		[Al
     
    5
    		Si
     
    5
    		O
     
    20
    		] · 6H
     
    2
    		O
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Tochilinite
    Fe
    2+
    5-6
    		(Mg,Fe
    2+
     
    		)
     
    5
    		[(OH)
     
    10
    		|S
     
    6
    		]
    Reference: [Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990]
    Site Photo
    Cornwall Mines, Cornwall, Lebanon Co., Pennsylvania, USA
    © 2008, J. Weissman
  		•  'Tourmaline'
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Econ Geol (1985) 80:418-443]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [Econ Geol (1985) 80:418-443]
  		•  Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]
  		•  Wurtzite
    (Zn,Fe)S
    Reference: [Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania]


    86 entries listed. 68 valid minerals. 1 erroneous literature entry.

    Localities in this Region:
    USA
     
    • Pennsylvania
      • Lebanon Co.
        • Cornwall
        • Manheim
          • Mt Gretna

    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 Pennsylvania, 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: 30th Oct 2009 17:59:16