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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Römerite from
Xitieshan Mine, Xitieshan, Da Qaidam (Dachaidan Co.), Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China


Locality type:Mine
Classification
Species:Römerite
Formula:Fe2+Fe23+(SO4)4 · 14H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Römerite data
Locality Data:Click here to view Xitieshan Mine, Xitieshan, Da Qaidam (Dachaidan Co.), Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China
Data Identifiers
Mindat Occurrence Record ID:22907
Long-form Identifier:1:3:22907:6
GUID (UUID V4):0
References
Guangzhi Tu, Xilin Li, Xande Xie, and Shusen Yin (1964): Acta Geologica Sinica 44(1), 99-101
Melchiorre, E. (2005) A new occurrence of xitieshanite [Fe3+(SO4)Cl·6H2O] crystals in acid-mine seepways, Green Valley, Vigo County, Indiana, U.S.A. American Mineralogist, 90 (10) 1518-1521 doi:10.2138/am.2005.1728
 
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