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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Forsterite from
Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan


Locality type:Island
Classification
Species:Forsterite
Formula:Mg2(SiO4)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Forsterite data
Locality Data:Click here to view Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
Data Identifiers
Mindat Occurrence Record ID:170679
Long-form Identifier:1:3:170679:6
GUID (UUID V4):0
References
Hori Mineralogy specimen.
 
and/or  
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