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
Peerless Mine, Keystone, Keystone Mining District, Pennington 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 Peerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:212465
Long-form Identifier:1:3:212465:0
GUID (UUID V4):0
Nearest other occurrences of Uranophane
3.5km (2.2 miles) ⓘBob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
4.3km (2.7 miles) ⓘBarker-Ferguson Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
17.3km (10.8 miles) ⓘHigh Climb Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
24.9km (15.5 miles) ⓘRoss Mine, Berne, Custer Mining District, Custer County, South Dakota, USA
28.4km (17.7 miles) ⓘRainbow No. 4 Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
28.9km (18.0 miles) ⓘTin Mountain Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
59.8km (37.1 miles) ⓘHot Point Mine, Red Canyon, Edgemont Uranium Mining District, Fall River County, South Dakota, USA
59.8km (37.2 miles) ⓘHey and Fay, Edgemont Uranium Mining District, Fall River County, South Dakota, USA
60.1km (37.3 miles) ⓘHelen (Professor Group), Edgemont Uranium Mining District, Fall River County, South Dakota, USA
60.3km (37.5 miles) ⓘFlora, 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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