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Berkshire Talc Company mines, Hinsdale, Berkshire County, Massachusetts, USAi
Regional Level Types
Berkshire Talc Company minesGroup of Mines
HinsdaleTown
Berkshire CountyCounty
MassachusettsState
USACountry

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Latitude & Longitude (WGS84):
42° North , 73° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
GRN:
N29W39
Type:
Group of Mines
Kรถppen climate type:
Dfb : Warm-summer humid continental climate
Mindat Locality ID:
5965
Long-form identifier:
mindat:1:2:5965:0
GUID (UUID V4):
0


Ultramafic tectonic thrust fault "sliver," age unknown - possibly Ordovician, possibly Proterozoic-Z. The deposit is a serpentinite that has largely been converted to talc, chlorite, amphiboles, and biotite - with carbonates and oxides added. (Note: Often erroneously cited as being in Dalton.)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

โ“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
โ“˜ Ankerite ?
Formula: Ca(Fe2+,Mg)(CO3)2
โ“˜ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
โ“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
โ“˜ Calcite ?
Formula: CaCO3
โ“˜ Chloritoid ?
Formula: Fe2+Al2O(SiO4)(OH)2
โ“˜ Chromite
Formula: Fe2+Cr3+2O4
โ“˜ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
โ“˜ Magnetite
Formula: Fe2+Fe3+2O4
โ“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
โ“˜ Pyrite
Formula: FeS2
โ“˜ Quartz
Formula: SiO2
โ“˜ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
โ“˜ Talc
Formula: Mg3Si4O10(OH)2
โ“˜ Tremolite ?
Formula: ◻Ca2Mg5(Si8O22)(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
โ“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
โ“˜Chromite4.BB.05Fe2+Cr3+2O4
โ“˜Magnetite4.BB.05Fe2+Fe3+2O4
โ“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
โ“˜Calcite ?5.AB.05CaCO3
โ“˜Ankerite ?5.AB.10Ca(Fe2+,Mg)(CO3)2
Group 9 - Silicates
โ“˜Chloritoid ?9.AF.85Fe2+Al2O(SiO4)(OH)2
โ“˜Anthophyllite9.DD.05โ—ป{Mg2}{Mg5}(Si8O22)(OH)2
โ“˜Actinolite9.DE.10โ—ปCa2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
โ“˜Tremolite ?9.DE.10โ—ปCa2Mg5(Si8O22)(OH)2
โ“˜Talc9.EC.05Mg3Si4O10(OH)2
โ“˜Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Unclassified
โ“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
โ“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
โ“˜'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hโ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hโ“˜ ChloritoidFe2+Al2O(SiO4)(OH)2
Hโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Hโ“˜ TalcMg3Si4O10(OH)2
Hโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Cโ“˜ CalciteCaCO3
OOxygen
Oโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Oโ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oโ“˜ CalciteCaCO3
Oโ“˜ ChloritoidFe2+Al2O(SiO4)(OH)2
Oโ“˜ ChromiteFe2+Cr23+O4
Oโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Oโ“˜ MagnetiteFe2+Fe23+O4
Oโ“˜ QuartzSiO2
Oโ“˜ TalcMg3Si4O10(OH)2
Oโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgโ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgโ“˜ TalcMg3Si4O10(OH)2
Mgโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alโ“˜ ChloritoidFe2+Al2O(SiO4)(OH)2
Alโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Alโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siโ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siโ“˜ ChloritoidFe2+Al2O(SiO4)(OH)2
Siโ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Siโ“˜ QuartzSiO2
Siโ“˜ TalcMg3Si4O10(OH)2
Siโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sโ“˜ PyriteFeS2
KPotassium
Kโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Caโ“˜ CalciteCaCO3
Caโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CrChromium
Crโ“˜ ChromiteFe2+Cr23+O4
FeIron
Feโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Feโ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feโ“˜ ChloritoidFe2+Al2O(SiO4)(OH)2
Feโ“˜ ChromiteFe2+Cr23+O4
Feโ“˜ MagnetiteFe2+Fe23+O4
Feโ“˜ PyriteFeS2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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