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East Hampton (Chatham), Middlesex Co., Connecticut, USA

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List of minerals arranged by Strunz 10th Edition classification


Group 1 - Elements
Gold1.AA.05Au
Graphite1.CB.05aC
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
var: Danaite2.EB.20(Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS
Bismuthinite2.DB.05Bi2S3
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Galena2.CD.10PbS
Gersdorffite2.EB.25NiAsS
Löllingite2.EB.15aFeAs2
Marcasite2.EB.10aFeS2
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
var: Chlorophane3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Bismite4.CB.60Bi2O3
Cassiterite4.DB.05SnO2
Columbite-(Fe)4.DB.35FeNb2O6
Gahnite4.BB.05ZnAl2O4
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Hydrokenoelsmoreite ?4.DH.152W2O6(H2O)
var: Ferritungstite ?4.DH.152W2O6(H2O)
Ixiolite4.DB.25(Ta,Nb,Sn,Fe,Mn)4O8
var: Wolframoixiolite4.DB.25(Nb,W,Ta,Fe,Mn,Nb)2O4
Microlite Group4.00.
var: Uranmicrolite (of Hogarth 1977)4.00.
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
'Quartz'4.DA.05SiO2
var: Ferruginous Quartz4.DA.05SiO2
var: Rose Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
var: Strüverite4.DB.05(Ti,Ta,Fe)O2
Tantalite-(Mn)4.DB.35MnTa2O6
Tanteuxenite-(Y)4.DG.05Y(Ta,Nb,Ti)2(O,OH)6
Tapiolite-(Fe)4.DB.10(Fe,Mn)(Ta,Nb)2O6
Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
Bastnäsite-(Ce)5.BD.20aCe(CO3)F
Beyerite ?5.BE.35Ca(BiO)2(CO3)2
Bismutite5.BE.25(BiO)2CO3
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O
Melanterite7.CB.35FeSO4 · 7H2O
'Pickeringite'7.CB.85MgAl2(SO4)4 · 22H2O
'Powellite' ?7.GA.05Ca(MoO4)
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
'Annabergite'8.CE.40Ni3(AsO4)2 · 8H2O
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Diadochite8.DB.05Fe3+2(PO4)(SO4)(OH) · 5H2O
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Ferrisicklerite8.AB.10Li1-x(Fe3+xFe2+1-x)PO4
Fluorapatite8.BN.05Ca5(PO4)3F
var: Mn-bearing Fluorapatite8.BN.05(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Grayite8.CJ.45(Th,Pb,Ca)(PO4) · H2O
Heterosite8.AB.10(Fe3+,Mn3+)PO4
Hydroxylapatite8.BN.05Ca5(PO4)3(OH)
Hydroxylherderite8.BA.10CaBe(PO4)(OH,F)
Laueite8.DC.30Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
Ludlamite8.CD.20(Fe,Mn,Mg)3(PO4)2 · 4H2O
Messelite8.CG.05Ca2(Fe2+,Mn2+)(PO4)2 · 2H2O
Meta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6-8H2O
Metatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Mitridatite8.DH.30Ca2Fe3+3(PO4)3O2 · 3H2O
Monazite-(Ce)8.AD.50Ce(PO4)
'Phosphophyllite'8.CA.40Zn2Fe(PO4)2 · 4H2O
Scorodite8.CD.10Fe3+AsO4 · 2H2O
Strunzite8.DC.25Mn2+Fe3+2(PO4)2(OH)2 · 6H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Triphylite8.AB.10LiFe2+PO4
Triplite8.BB.10(Mn2+,Fe2+)2(PO4)(F,OH)
Vivianite8.CE.40Fe2+3(PO4)2 · 8H2O
Whitmoreite8.DC.15Fe2+Fe3+2(PO4)2(OH)2 · 4H2O
Group 9 - Silicates
'Actinolite'9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite'9.FA.35Na(AlSi3O8)
var: Cleavelandite9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
'Allanite-(Ce)'9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
'Almandine'9.AD.25Fe2+3Al2(SiO4)3
'Annite'9.EC.20KFe2+3(AlSi3O10)(OH)2
'Anorthite'9.FA.35Ca(Al2Si2O8)
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Bavenite9.DF.25Ca4Be2Al2Si9O26(OH)2
Bertrandite9.BD.05Be4(Si2O7)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
var: Aquamarine9.CJ.05Be3Al2Si6O18
var: Heliodor9.CJ.05Be3Al2(Si6O18)
var: Morganite9.CJ.05Be3Al2(Si6O18)
Cerite-(Ce) ?9.AG.20(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3
Cummingtonite9.DE.05☐{Mg2}{Mg5}(Si8O22)(OH)2
Dravite9.CK.05Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Grossular9.AD.25Ca3Al2(SiO4)3
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Kyanite9.AF.15Al2(SiO4)O
Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
Magnesio-hornblende9.DE.10☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Sillimanite9.AF.05Al2(SiO4)O
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Titanite9.AG.15CaTi(SiO4)O
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Zircon9.AD.30Zr(SiO4)
var: Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Almandine-Spessartine Series'-
Biotite-
Chlorite Group-
Columbite-(Fe)-Columbite-(Mn) Series-
Copiapite Group-
Feldspar Group-
'var: Perthite'-
Garnet-X3Z2(SiO4)3
Hornblende-
K Feldspar-
'var: Adularia'-KAlSi3O8
Lepidolite-
Limonite-(Fe,O,OH,H2O)
Monazite-
Pegmatite-
Scapolite-
Tourmalinated Quartz-
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cameron, Eugene N., Larrabee David M., McNair, Andrew H., Page, James T., Stewart, Glenn W., and Shainin, Vincent E. (1954): Pegmatite Investigations 1942-45 New England; USGS Professional Paper 255.
Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner; Ralph Lieser of Pappy’s Beryl Shop, East Hampton; and Howard Pate of Fluorescent House, Branford, Connecticut.
Stugard, Frederick, Jr. (1958): Pegmatites of the Middletown Area, Connecticut. USGS Bulletin 1042-Q.
Schooner, Richard. (1961): The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut.
Weber, Marcelle H. and Earle C. Sullivan. (1995): Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue), Vol. 70, No. 6, p. 403.

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