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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Rhodonite from
Nagasaki mine, Ouzu City, Ehime Prefecture, Japan


Locality type:Mine
Classification
Species:Rhodonite
Formula:CaMn3Mn[Si5O15]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rhodonite data
Locality Data:Click here to view Nagasaki mine, Ouzu City, Ehime Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:1015375
Long-form Identifier:1:3:1015375:4
GUID (UUID V4):0
References
Nakagawa, M., Santosh, M., Maruyama, S. (2009) Distribution and mineral assemblages of bedded manganese deposits in Shikoku, Southwest Japan: Implications for accretion tectonics. Gondwana Research, 16 (3) 609-621 doi:10.1016/j.gr.2009.05.003
 
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