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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Becquerelite from
Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA


Locality type:Mine
Classification
Species:Becquerelite
Formula:Ca(UO2)6O4(OH)6 · 8H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Becquerelite data
Locality Data:Click here to view Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:49741
Long-form Identifier:1:3:49741:9
GUID (UUID V4):0
References
Rocks & Min.:10:147 & 60:112,116.
 
and/or  
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