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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Columbite-(Fe)-Columbite-(Mn) Series from
Edison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA


Locality type:Mine
Classification
Species:'Columbite-(Fe)-Columbite-(Mn) Series' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Columbite-(Fe)-Columbite-(Mn) Series data
Locality Data:Click here to view Edison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:212264
Long-form Identifier:1:3:212264:9
GUID (UUID V4):0
Nearest other occurrences of Columbite-(Fe)-Columbite-(Mn) Series
0.5km (0.3 miles) ⓘWhite Cap Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
0.6km (0.4 miles) ⓘNickel Plate Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.8km (1.7 miles) ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA
3.0km (1.9 miles) ⓘBarker-Ferguson Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
3.2km (2.0 miles) ⓘDan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
4.2km (2.6 miles) ⓘPut Lode, Unorganized mining district [1], Custer County, South Dakota, USA
4.9km (3.0 miles) ⓘBob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
12.5km (7.8 miles) ⓘGrizzly Bear Gulch, Hill City Mining District, Pennington County, South Dakota, USA
15.4km (9.6 miles) ⓘTin Queen Mine (White Blowout Mine), Hill City Mining District, Pennington County, South Dakota, USA
18.0km (11.2 miles) ⓘStalin (High Climb Mine), Oreville Mining District, Pennington County, South Dakota, USA
References
U.S. Geological Survey Professional Paper 297
Shearer, C. K., Papike, J. J. (1988) Pegmatite-wallrock interaction: holmquistite-bearing amphibolite, Edison pegmatite, Black Hills, South Dakota. American Mineralogist, 73 (3-4) 324-337
Smith, Arthur E., Fritzsch, Eric (2000) SOUTH DAKOTA. Rocks & Minerals, 75 (3) 156-169 doi:10.1080/00357520009605635
 
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