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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Dravite from
Uzunosawa, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan


Classification
Species:Dravite
Formula:NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dravite data
Locality Data:Click here to view Uzunosawa, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:607374
Long-form Identifier:1:3:607374:9
GUID (UUID V4):0
References
(n.d.) Dr Yohachiro Okamoto collection, Geological Survey of Japan.
 
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