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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Magnetite from
Toei mine, Aomori City, Aomori Prefecture, Japan


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Toei mine, Aomori City, Aomori Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:677759
Long-form Identifier:1:3:677759:3
GUID (UUID V4):0
References
(n.d.) Dr. Matsuo Nambu collection, Geological Survey of Japan.
 
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