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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Stilpnomelane from
Xialei Mine (Daxin Mine), Daxin Co., Chongzuo, Guangxi, China


Locality type:Mine
Classification
Species:Stilpnomelane
Formula:K4Fe482+[Si64Al8]O164(OH)52 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stilpnomelane data
Locality Data:Click here to view Xialei Mine (Daxin Mine), Daxin Co., Chongzuo, Guangxi, China
Data Identifiers
Mindat Occurrence Record ID:438893
Long-form Identifier:1:3:438893:7
GUID (UUID V4):0
References
Zeng, Y., and Liu, T. (1999): Ore Geology Reviews 15(1), 153-163
 
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