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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.




Group 2 - Sulphides and Sulfosalts
  		• Arsenopyrite2.EB.20
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
  		• Bornite ?2.BA.15
    Cu
     
    5
    		FeS
     
    4
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Galena2.CD.10
    PbS
  		• Pyrite2.EB.05a
    FeS
     
    2
    Group 4 - Oxides and Hydroxides
  		• Anatase4.DD.05
    TiO
     
    2
  		• Goethite4.FD.10
    α-Fe
    3+
     
    		O(OH)
  		• Microlite4.DH.15
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
  		• Quartz4.DA.05
    SiO
     
    2
      var: Rose Quartz4.DA.05
    SiO
     
    2
  		• Rutile ?4.DB.05
    TiO
     
    2
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Apatite-(CaF)8.BN.05
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
  		• Autunite8.EB.05
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
  		• Beraunite8.DC.27
    Fe
    2+
     
    		Fe
    3+
    5
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    4
    		] · 4H
     
    2
    		O
  		• Beryllonite8.AA.10
    NaBe[PO
     
    4
    		]
  		• Bjarebyite8.BH.20
    (Ba,Sr)(Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    2
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    3
  		• Brazilianite8.BK.05
    NaAl
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
  		• Childrenite8.DD.20
    (Fe
    2+
     
    		,Mn
    2+
     
    		)Al[(OH)
     
    2
    		|PO
     
    4
    		] · H
     
    2
    		O
  		• Crandallite8.BL.10
    CaAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
  		• Gormanite8.DC.45
    (Fe
    2+
     
    		,Mg)
     
    3
    		(Al,Fe
    3+
     
    		)
     
    4
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
  		• Goyazite8.BL.10
    SrAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
  		• Hydroxylherderite8.BA.10
    CaBe[(OH,F)|PO
     
    4
    		]
  		• Kulanite8.BH.20
    Ba(Fe
    2+
     
    		,Mn
    2+
     
    		,Mg)
     
    2
    		(Al,Fe
    3+
     
    		)
     
    2
    		[OH|PO
     
    4
    		]
     
    3
  		• Lazulite8.BB.40
    (Mg,Fe
    2+
     
    		)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
  		• Leucophosphite8.DH.10
    KFe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 2H
     
    2
    		O
  		• Meta-autunite8.EB.10
    Ca(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		· 6-8H
     
    2
    		O
  		• Metatorbernite8.EB.10
    Cu(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
  		• Moraesite8.DA.05
    Be
     
    2
    		[OH|PO
     
    4
    		] · 4H
     
    2
    		O
  		• Paravauxite8.DC.30
    Fe
    2+
     
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
  		• Roscherite8.DA.10
    Ca
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    5
    		Be
     
    4
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    6
    		] · 6H
     
    2
    		O
  		• Scorzalite8.BB.40
    (Fe
    2+
     
    		,Mg)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
  		• Souzalite ?8.DC.45
    (Mg,Fe
    2+
     
    		)
     
    3
    		(Al,Fe
    3+
     
    		)
     
    4
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
  		• Stewartite8.DC.30
    Mn
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
  		• Strunzite8.DC.25
    Mn
    2+
     
    		Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
  		• Torbernite8.EB.05
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
  		• Triphylite8.AB.10
    LiFe
    2+
     
    		[PO
     
    4
    		]
  		• Ushkovite8.DC.30
    MgFe
    3+
    2
    		[PO
     
    4
    		]
     
    2
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
  		• Xenotime-(Y) ?8.AD.35
    YPO
     
    4
    Group 9 - Silicates
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Almandine9.AD.25
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
      var: Aquamarine9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
      var: Heliodor9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Biotite9..
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Schorl9.CK.05
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  		• Spessartine ?9.AD.25
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Topaz9.AF.35
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]


    49 entries listed. 48 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: 6th Nov 2009 16:52:47