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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Sursassite from
Kamisugai mine, Ouzu City, Ehime Prefecture, Japan


Locality type:Mine
Classification
Species:Sursassite
Formula:Mn22+Al3(SiO4)(Si2O7)(OH)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sursassite data
Locality Data:Click here to view Kamisugai mine, Ouzu City, Ehime Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:649239
Long-form Identifier:1:3:649239:7
GUID (UUID V4):0
References
Nagashima, M., Akasaka, M., Minakawa, T., Libowitzky, E., Armbruster, T. (2009) Sursassite: Hydrogen bonding, cation order, and pumpellyite intergrowth. American Mineralogist, 94 (10) 1440-1449 doi:10.2138/am.2009.3223
NAGASHIMA, Mariko, ARMBRUSTER, Thomas, AKASAKA, Masahide, MINAKAWA, Tetsuo (2010) Crystal chemistry of Mn2+-, Sr-rich and REE-bearing piemontite from the Kamisugai mine in the Sambagawa metamorphic belt, Shikoku, Japan. Journal of Mineralogical and Petrological Sciences, 105 (3) 142-150 doi:10.2465/jmps.090709
 
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