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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Biotite from
Anglonggangri wolframite deposit, Rutog Co. (Ritu Co.), Ngari, Tibet, China


Locality type:Deposit
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Anglonggangri wolframite deposit, Rutog Co. (Ritu Co.), Ngari, Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1638445
Long-form Identifier:1:3:1638445:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
44.6km (27.7 miles) ⓘGalale Cu-Au deposit, Gê'gyai Co. (Geji Co.), Ngari, Tibet, China
49.1km (30.5 miles) ⓘGa'erqiong Cu-Au deposit, Gê'gyai Co. (Geji Co.), Ngari, Tibet, China
66.6km (41.4 miles) ⓘCaima Fe deposit, Rutog Co. (Ritu Co.), Ngari, Tibet, China
68.4km (42.5 miles) ⓘFuye Fe deposit, Rutog Co. (Ritu Co.), Ngari, Tibet, China
References
Wang, Liqiang, Li, Baoliang, Wang, Yong, Gao, Teng, He, Liang (2024) Tracing the Fe-enriched quartz vein-type wolframite mineralization: Wolframite U-Pb dating and compositions of wolframite and scheelite from the Anglonggangri and Jiaoxi areas, Xizang, China. Ore Geology Reviews, 170. 106154 doi:10.1016/j.oregeorev.2024.106154
 
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