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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Minium from
Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA


Locality type:Quarry
Classification
Species:Minium
Formula:Pb3O4
Comments:Occurs as crystals.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Minium data
Locality Data:Click here to view Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA
Data Identifiers
Mindat Occurrence Record ID:58832
Long-form Identifier:1:3:58832:2
GUID (UUID V4):0
Nearest other occurrences of Minium
49.6km (30.8 miles) ⓘFelix Mine, Azusa (Dalton), Los Angeles County, California, USA
References
Rocks & Min.:64:503.
 
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