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Charles Davis Quarry, Groton, Grafton Co., New Hampshire, USA

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Granite pegmatite, Grafton field. Located near the village of North Groton.





Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Granite pegmatite. Ref.: Cameron, et. al. 1954. Pegmatite Investigations 1942-45 New England.]
  		•  Almandine
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [No reference listed]
  		•  Anatase
    TiO
     
    2
    Reference: [Rocks & Min. 80:251 ]
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [No reference listed]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [No reference listed]
  		•  Autunite
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Beraunite
    Fe
    2+
     
    		Fe
    3+
    5
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    4
    		] · 4H
     
    2
    		O
    Reference: [Wilken, B. in Crystals and Cabs Vol. 7 , No. 3.]
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [No reference listed]
    Site Photo
    Charles Davis Quarry, Groton, Grafton Co., New Hampshire, USA
    © 2009 Peter Cristofono
  		•  Beryl
    var: Aquamarine
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [Rocks & Min. 80:251 ]
  		•  Beryl
    var: Heliodor
    Reference: [Rocks & Min. 80:251 ]
  		•  Beryllonite
    NaBe[PO
     
    4
    		]
    Reference: [No reference listed]
  		•  Biotite
    Reference: [No reference listed]
  		•  Bjarebyite
    (Ba,Sr)(Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    2
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    3
    Reference: [Rocks & Min. 80:251 ]
  		•  Bornite ?
    Cu
     
    5
    		FeS
     
    4
    Reference: [No reference listed]
  		•  Brazilianite
    NaAl
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    Reference: [Rocks & Min. 65:359]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [No reference listed]
  		•  Childrenite
    (Fe
    2+
     
    		,Mn
    2+
     
    		)Al[(OH)
     
    2
    		|PO
     
    4
    		] · H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Crandallite
    CaAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Galena
    PbS
    Reference: [Rocks & Min. 80:251 ]
  		•  Goethite
    α-Fe
    3+
     
    		O(OH)
    Reference: [Wilken, B. in Crystals and Cabs Vol. 7 , No. 3.]
  		•  Gormanite
    (Fe
    2+
     
    		,Mg)
     
    3
    		(Al,Fe
    3+
     
    		)
     
    4
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Goyazite
    SrAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: [Rocks & Minerals. Vol. 65, No. 4]
  		•  Hydroxylherderite
    CaBe[(OH,F)|PO
     
    4
    		]
    Reference: [No reference listed]
  		•  Kulanite
    Ba(Fe
    2+
     
    		,Mn
    2+
     
    		,Mg)
     
    2
    		(Al,Fe
    3+
     
    		)
     
    2
    		[OH|PO
     
    4
    		]
     
    3
    Reference: [Nashua Min. Soc. Disp. Cat., 1995]
  		•  Lazulite
    (Mg,Fe
    2+
     
    		)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    Reference: [Rocks & Min. 80:251 ]
  		•  Leucophosphite
    KFe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 2H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Meta-autunite
    Ca(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		· 6-8H
     
    2
    		O
    Reference: [No reference listed]
  		•  Metatorbernite
    Cu(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [No reference listed]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [No reference listed]
  		•  Microlite
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
    Reference: [Wilken, B. in Crystals and Cabs Vol. 7 , No. 3.]
  		•  Moraesite
    Be
     
    2
    		[OH|PO
     
    4
    		] · 4H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [No reference listed]
  		•  Paravauxite
    Fe
    2+
     
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Pyrite
    FeS
     
    2
    Reference: [No reference listed]
  		•  Quartz
    SiO
     
    2
    Reference: [No reference listed]
    Site Photo
    Charles Davis Quarry, Groton, Grafton Co., New Hampshire, USA
    © 2009 Peter Cristofono
  		•  Quartz
    var: Rose Quartz
    Reference: [No reference listed]
    Site Photo
    Charles Davis Quarry, Groton, Grafton Co., New Hampshire, USA
    © 2009 Peter Cristofono
  		•  Roscherite
    Ca
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    5
    		Be
     
    4
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    6
    		] · 6H
     
    2
    		O
    Reference: [No reference listed]
  		•  Rutile ?
    TiO
     
    2
    Reference: [No reference listed]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [No reference listed]
  		•  Scorzalite
    (Fe
    2+
     
    		,Mg)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    Habit: Complex equant crystals
    Colour: deep blue
    Reference: [No reference listed]
    Site Photo
    Charles Davis Quarry, Groton, Grafton Co., New Hampshire, USA
    © Scott Whittemore
  		•  Souzalite ?
    (Mg,Fe
    2+
     
    		)
     
    3
    		(Al,Fe
    3+
     
    		)
     
    4
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [Nashua Min. Soc. Disp. Cat., 1995]
  		•  Spessartine ?
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [No reference listed]
  		•  Stewartite
    Mn
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Strunzite
    Mn
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Topaz
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
    Reference: [No reference listed]
  		•  Torbernite
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
    Site Photo
    Charles Davis Quarry, Groton, Grafton Co., New Hampshire, USA
    © 2009 Peter Cristofono
  		•  Triphylite
    LiFe
    2+
     
    		[PO
     
    4
    		]
    Reference: [Rocks & Min. 80:251 ]
  		•  Ushkovite
    MgFe
    3+
    2
    		[PO
     
    4
    		]
     
    2
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    Reference: [Rocks & Min. 80:251 ]
  		•  Xenotime-(Y) ?
    YPO
     
    4
    Reference: [No reference listed]


    49 entries listed. 45 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in New Hampshire, 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: 25th Nov 2009 15:24:54