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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Uranophane from
High Climb Mine, Custer, Custer Mining District, Custer County, South Dakota, USA


Locality type:Mine
Classification
Species:Uranophane
Formula:Ca(UO2)2(SiO3OH)2 · 5H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Uranophane data
Locality Data:Click here to view High Climb Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:211367
Long-form Identifier:1:3:211367:8
GUID (UUID V4):0
Nearest other occurrences of Uranophane
10.0km (6.2 miles) ⓘRoss Mine, Berne, Custer Mining District, Custer County, South Dakota, USA
13.6km (8.4 miles) ⓘTin Mountain Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
14.3km (8.9 miles) ⓘRainbow No. 4 Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
15.6km (9.7 miles) ⓘBob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
17.3km (10.8 miles) ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
21.1km (13.1 miles) ⓘBarker-Ferguson Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
49.0km (30.4 miles) ⓘHey and Fay, Edgemont Uranium Mining District, Fall River County, South Dakota, USA
49.1km (30.5 miles) ⓘFlora, Edgemont Uranium Mining District, Fall River County, South Dakota, USA
49.1km (30.5 miles) ⓘHelen (Professor Group), Edgemont Uranium Mining District, Fall River County, South Dakota, USA
49.2km (30.6 miles) ⓘGertrude, Edgemont Uranium Mining District, Fall River 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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