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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Unnamed (Fe-Sn Oxide) from
Pingwu beryl mine, Huya township, Mount Little Xuebaoding, Pingwu Co., Mianyang, Sichuan, China


Locality type:Mine
Classification
Species:'Unnamed (Fe-Sn Oxide)' (not an IMA approved species)
Formula:Fe23+Sn3O9
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Unnamed (Fe-Sn Oxide) data
Locality Data:Click here to view Pingwu beryl mine, Huya township, Mount Little Xuebaoding, Pingwu Co., Mianyang, Sichuan, China
Data Identifiers
Mindat Occurrence Record ID:708186
Long-form Identifier:1:3:708186:6
GUID (UUID V4):0
References
Rubo Zhang, Yuyu Zhang, Xiasheng Gong (2005) Fe(3+)2Sn3O9, an unnamed mineral of the Kyzylkumite group. Journal of Mineralogy and Petrology: 26(2): 11-14.
 
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