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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Cassiterite from
SMLD Sn polymetallic deposit, Coqên Co. (Cuoqin Co.), Ngari, Tibet, China


Locality type:Deposit
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view SMLD Sn polymetallic deposit, Coqên Co. (Cuoqin Co.), Ngari, Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1864672
Long-form Identifier:1:3:1864672:8
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
29.9km (18.6 miles) ⓘSangmoladong Ag-Sn deposit, Coqên Co. (Cuoqin Co.), Ngari, Tibet, China
52.2km (32.5 miles) ⓘZhalong Cu-Zn deposit, Ngamring Co. (Angren Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
References
Chen, Hao; Chen, Xin; Zheng, Youye; Che, Xian; Lai, Yuanping; Huang, Xingkai; Gao, Shunbao; Pang, Bei (2026) Collision-related tin metallogeny: Insight from a new discovery of the volcanic-subvolcanic-hosted Sn deposit in the western Gangdese, Xizang. Geoscience Frontiers, 17 (2). 102216 doi:10.1016/j.gsf.2025.102216
 
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