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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Thorian Uraninite from
Tre Croci, Vetralla, Viterbo Province, Lazio, Italy


Locality type:Village
Classification
Species:Uraninite var: Thorian Uraninite
Formula:(U,Th)O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Thorian Uraninite data
Locality Data:Click here to view Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
Data Identifiers
Mindat Occurrence Record ID:299540
Long-form Identifier:1:3:299540:3
GUID (UUID V4):0
References
Maras, Adriana, Parodi, Gian Carlo, Della Ventura, Giancarlo, Ohnenstetter, Daniel (1995) Vicanite-(Ce): A new Ca-Th-REE borosilicate from the Vico volcanic district (Latium, Italy) European Journal of Mineralogy, 7 (2) 439-446 doi:10.1127/ejm/7/2/0439
 
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