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Windham Co., Connecticut, USA


List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements
Graphite1.CB.05aC
Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Bismutite5.BE.25(BiO)2CO3
Calcite
var: Ferroan Calcite
5.AB.05(Ca,Fe)CO3
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Clinochlore9.EC.55(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Kyanite9.AF.15Al2(SiO4)O
Muscovite
var: Fuchsite
9.EC.15K(Al,Cr)3Si3O10(OH)2
Prehnite9.DP.20Ca2Al2Si3O12(OH)
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Sillimanite9.AF.05Al2(SiO4)O
Topaz9.AF.35Al2(SiO4)(F,OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals
Limonite-FeO(OH) · nH2O
'Scapolite'-


23 entries listed. 21 valid minerals.
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