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Muscovite from
Hugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Comments:Occurs in pegmatite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Hugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:68807
Long-form Identifier:1:3:68807:5
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.7km (0.4 miles) ⓘExpectation Pegmatite, Keystone Mining District, Pennington County, South Dakota, USA
1.0km (0.6 miles) ⓘMonte Carlo Prospect, Keystone Mining District, Pennington County, South Dakota, USA
1.2km (0.7 miles) ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
1.5km (0.9 miles) ⓘDan Patch West Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
1.7km (1.1 miles) ⓘNickel Plate Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
1.8km (1.1 miles) ⓘWhite Cap Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.1km (1.3 miles) ⓘEdison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.2km (1.4 miles) ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.3km (1.4 miles) ⓘDike Lode, Keystone Mining District, Pennington County, South Dakota, USA
2.5km (1.6 miles) ⓘPink Elephant Beryl prospect, Keystone Mining District, Pennington County, South Dakota, USA
References
Rocks & Min.:10:147.
USGS Prof Paper 297B
 
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