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Microcline from
Surprise Mica Mine, Custer Mining District, Custer County, South Dakota, USA


Locality type:Mine
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Surprise Mica Mine, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:385139
Long-form Identifier:1:3:385139:5
GUID (UUID V4):0
Nearest other occurrences of Microcline
0.2km (0.1 miles) ⓘHomestead No. 2 Prospect, Custer Mining District, Custer County, South Dakota, USA
0.5km (0.3 miles) ⓘKnowles lode claim, Custer, Custer Mining District, Custer County, South Dakota, USA
0.7km (0.4 miles) ⓘSunshine Mica Prospect, Custer Mining District, Custer County, South Dakota, USA
2.2km (1.3 miles) ⓘVictory Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
3.2km (2.0 miles) ⓘClimax mica mine, Custer, Custer Mining District, Custer County, South Dakota, USA
3.7km (2.3 miles) ⓘShamrock No. 1 Lode Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
3.8km (2.3 miles) ⓘCuster Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA
4.0km (2.5 miles) ⓘCrown Mine (McMackin Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
4.2km (2.6 miles) ⓘAgnew pegmatite, Custer Mining District, Custer County, South Dakota, USA
4.2km (2.6 miles) ⓘDorothy Lode, Custer Mining District, Custer County, South Dakota, USA
References
Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills. Bulletin 18. South Dakota School of Mines and Technology
 
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