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Muscovite from
Dan Patch 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
Associated Minerals Based on Photo Data:
Fluorapatite1
Albite1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:60575
Long-form Identifier:1:3:60575:3
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.5km (0.3 miles) ⓘLegal Tender Group, Keystone Gold Mining District, Pennington County, South Dakota, USA
0.8km (0.5 miles) ⓘSitting Bull pegmatite, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
1.4km (0.9 miles) ⓘDan Patch West Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
1.7km (1.1 miles) ⓘHoly Terror Mine, Keystone Gold Mining District, Pennington County, South Dakota, USA
1.8km (1.1 miles) ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.1km (1.3 miles) ⓘBob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.2km (1.4 miles) ⓘMonte Carlo Prospect, Keystone Mining District, Pennington County, South Dakota, USA
2.4km (1.5 miles) ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.4km (1.5 miles) ⓘExpectation Pegmatite, Keystone Mining District, Pennington County, South Dakota, USA
2.6km (1.6 miles) ⓘNickel Plate Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
References
Rocks & Min.:60:116.
Norton, James J. (1964) Pegmatites and other Precambrian Rocks in the Southern Black Hills; Geology and mineral deposits of some pegmatites in the southern Black Hills, South Dakota. Professional Paper 297-E. US Geological Survey p.293-341. doi:10.3133/pp297e
 
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