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Plagioclase from
Dalmon Mica Mine, Custer Mining District, Custer County, South Dakota, USA


Locality type:Mine
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Dalmon Mica Mine, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:382764
Long-form Identifier:1:3:382764:2
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
2.1km (1.3 miles) ⓘLost Bonanza Mine, Custer Mining District, Custer County, South Dakota, USA
4.2km (2.6 miles) ⓘCrown Mine (McMackin Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
4.3km (2.7 miles) ⓘDorothy Lode, Custer Mining District, Custer County, South Dakota, USA
4.5km (2.8 miles) ⓘDorothy V Prospect (Van), Custer Mining District, Custer County, South Dakota, USA
4.9km (3.0 miles) ⓘBig Spar No. 1 mine, Custer, Custer Mining District, Custer County, South Dakota, USA
6.6km (4.1 miles) ⓘHub Mine, Custer Mining District, Custer County, South Dakota, USA
7.0km (4.4 miles) ⓘLangford Prospect (Mohawk Mica), Custer Mining District, Custer County, South Dakota, USA
7.1km (4.4 miles) ⓘWilhelm Mine, Custer Mining District, Custer County, South Dakota, USA
7.4km (4.6 miles) ⓘMilton Mine, Custer Mining District, Custer County, South Dakota, USA
7.8km (4.9 miles) ⓘLake Mica Prospect (Lakeside), Unorganized mining district [1], Custer County, South Dakota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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