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


Locality type:Deposit
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view SMLD Sn polymetallic deposit, Coqên Co. (Cuoqin Co.), Ngari, Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1864762
Long-form Identifier:1:3:1864762:0
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
29.9km (18.6 miles) ⓘSangmoladong Ag-Sn deposit, Coqên Co. (Cuoqin Co.), Ngari, Tibet, China
65.8km (40.9 miles) ⓘDagejia tourmaline granite, Lake Dajiacuo, Saga County, 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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