Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Montmorillonite from
Sinongduo deposit, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China


Locality type:Deposit
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Sinongduo deposit, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1445111
Long-form Identifier:1:3:1445111:3
GUID (UUID V4):0
References
Yang, Zongyao; Zhao, Xiaoyan; Hu, Guyue; Wang, Ying; Ran, Fengqin; Huang, Yiru; Wu, Xin; Hao, Jinyue; Xiao, Hongtian (2020) Geology, geochronology, and geochemistry of the Sinongduo Ag–Pb–Zn deposit in the Gangdese metallogenic belt: Implications of intermediate sulfidation mineralization in the Linzizong volcanic succession. Ore Geology Reviews, 127. 103796 doi:10.1016/j.oregeorev.2020.103796
Zhang, Peng, Li, Zhuang, Zhao, Feng, Liu, Xinkai (2024) Petrogenesis and Tectonic Implications of the Granite Porphyry in the Sinongduo Ag-Pb-Zn Deposit, Central Tibet: Constraints from Geochronology, Geochemistry, and Sr-Nd Isotopes. Minerals, 14 (7) doi:10.3390/min14070710
Li, Xuerui, Guo, Na, Li, Chunhao, Deng, Siyuan, Zhou, Weirui (2025) Shortwave Infrared Spectroscopy and Geochemical Characteristics of White Mica-Group Minerals in the Sinongduo Low-Sulfide Epithermal Deposit, Tibet, China. Minerals, 15 (2). doi:10.3390/min15020104
 
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