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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Pyrolusite from
Moorna Station (Norna Station), Wentworth, Wentworth Co., New South Wales, Australia


Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Moorna Station (Norna Station), Wentworth, Wentworth Co., New South Wales, Australia
Data Identifiers
Mindat Occurrence Record ID:103707
Long-form Identifier:1:3:103707:4
GUID (UUID V4):0
References
Gill, E. D. (1973). Geology and geomorphology of the Murray River region between Mildura and Renmark, Australia. Memoirs of the National Museum of Victoria, 34, 1-97.
 
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