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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Sharpite from
Uranium deposit (Kruth 2), Kruth, Thann-Guebwiller, Haut-Rhin, Grand Est, France


Locality type:Deposit
Classification
Species:Sharpite
Formula:Ca(UO2)3(CO3)4 · 3H2O
Comments:May not be same as type material.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sharpite data
Locality Data:Click here to view Uranium deposit (Kruth 2), Kruth, Thann-Guebwiller, Haut-Rhin, Grand Est, France
Data Identifiers
Mindat Occurrence Record ID:9983
Long-form Identifier:1:3:9983:7
GUID (UUID V4):0
References
Mineralogical Society of America - Handbook of Mineralogy
Jiltl Cejka - Zdenek Urbanec (1974) Alteration of Minerals in Museum Collections I.SBORNII( NARODNIHO MUZEA V PRAZE ACTA MUSEI NATIONALIS PRAGAE Volumen XXX B (1974), No. 1-2
 
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