Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Lepidolite from
Custer Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA


Locality type:Lode
Classification
Species:'Lepidolite' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Lepidolite data
Locality Data:Click here to view Custer Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:211306
Long-form Identifier:1:3:211306:7
GUID (UUID V4):0
Nearest other occurrences of Lepidolite
1.8km (1.1 miles) ⓘShamrock No. 1 Lode Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
2.0km (1.3 miles) ⓘAgnew pegmatite, Custer Mining District, Custer County, South Dakota, USA
4.3km (2.7 miles) ⓘHot Shot mine, Custer, Custer Mining District, Custer County, South Dakota, USA
5.8km (3.6 miles) ⓘBeecher No. 3, Beecher Lode, Custer, Custer Mining District, Custer County, South Dakota, USA
11.3km (7.0 miles) ⓘNew York Mine (Westinghouse No. 1 Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
12.4km (7.7 miles) ⓘTin Mountain Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
17.2km (10.7 miles) ⓘHugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
18.3km (11.4 miles) ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
19.1km (11.9 miles) ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
19.6km (12.2 miles) ⓘBob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
References
Smith, Arthur E., Fritzsch, Eric (2000) SOUTH DAKOTA. Rocks & Minerals, 75 (3) 156-169 doi:10.1080/00357520009605635
 
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