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
Tangbula Mo-(Cu) deposit, Gongbo'gyamda Co. (Gongbujiangda Co.), Nyingtri Prefecture (Linzhi Prefecture), 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 Tangbula Mo-(Cu) deposit, Gongbo'gyamda Co. (Gongbujiangda Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China
Data Identifiers
Mindat Occurrence Record ID:883872
Long-form Identifier:1:3:883872:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
36.4km (22.6 miles) ⓘDongzhongla Pb-Zn deposit, Gongbo'gyamda Co. (Gongbujiangda Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China
47.1km (29.2 miles) ⓘYaguila Pb-Zn-Mo deposit, Gongbo'gyamda Co. (Gongbujiangda Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China
47.3km (29.4 miles) ⓘDemingding Mo-Cu deposit, Gyaca Co. (Jiacha Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
47.8km (29.7 miles) ⓘSharang Mo deposit, Gongbo'gyamda Co. (Gongbujiangda Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China
88.8km (55.2 miles) ⓘLongruri Au-Sb deposit (Nongruri Au-Sb deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
References
Congxuan Kang, Wen Zong, Yuanfu Xiao, Zhuan Tao, and Tao Hu (2013): Northwestern Geology 46(3), 83-89
 
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