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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Mandarinoite from
Wind Mountain Mine, San Emidio Mining District, Washoe County, Nevada, USA


Locality type:Mine
Classification
Species:Mandarinoite
Formula:Fe23+(Se4+O3)3 · (6-x)H2O (x = 0.0-1.0)
Habit:Crystals to 3 mm.
Quality for species:Excellent - world class for species or very significant. (!!)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Mandarinoite data
Locality Data:Click here to view Wind Mountain Mine, San Emidio Mining District, Washoe County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:287155
Long-form Identifier:1:3:287155:4
GUID (UUID V4):0
References
Castor, Stephen B.; Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology 512pp.
 
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