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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Argillaceous limestone from
Dashui Au deposit, Dashui Au ore field, Maqu Co., Gannan, Gansu, China


Locality type:Deposit
Classification
Type:Argillaceous limestone
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Argillaceous limestone data
Locality Data:Click here to view Dashui Au deposit, Dashui Au ore field, Maqu Co., Gannan, Gansu, China
Data Identifiers
Mindat Occurrence Record ID:1990488
Long-form Identifier:1:3:1990488:7
GUID (UUID V4):0
References
Zhang, Yingying; Liu, Jiajun; Wang, Jiaxin; Carranza, Emmanuel John M.; Zhai, Degao; Gao, Shen; Zhao, Qingqing; Zhang, Hongyu; Zhang, Fangfang; Wang, Yinhong; et al. (2026) Constraints on the mineralization of the Dashui gold deposit, western Qinling orogen, China: evidence from calcite in situ geochronology, trace elements, and Sr isotopes. Ore Geology Reviews, 197. p.107506. doi:10.1016/j.oregeorev.2026.107506
 
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