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Muscovite from
Gem Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Gem Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:147458
Long-form Identifier:1:3:147458:9
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.8km (0.5 miles) ⓘEast Gray Rock Mine, Walkerville, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
0.9km (0.6 miles) ⓘCorra Mine, Walkerville, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
1.0km (0.6 miles) ⓘBerkeley Pit, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
1.4km (0.9 miles) ⓘKelley Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
1.5km (0.9 miles) ⓘMountain Consolidated Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
1.6km (1.0 miles) ⓘLexington Mine, Walkerville, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
1.9km (1.2 miles) ⓘSteward Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
1.9km (1.2 miles) ⓘBelmont Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
2.4km (1.5 miles) ⓘMarget Ann Mine, Walkerville, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
2.7km (1.7 miles) ⓘEmma Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
References
Rocks & Min.: 16: 245.
 
and/or  
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