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
Chongjiang Cu-(Mo-Au) deposit, Nyêmo Co. (Nimu Co.), Lhasa, 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 Chongjiang Cu-(Mo-Au) deposit, Nyêmo Co. (Nimu Co.), Lhasa, Tibet, China
Data Identifiers
Mindat Occurrence Record ID:452627
Long-form Identifier:1:3:452627:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
5.4km (3.3 miles) ⓘTinggong Cu-Mo deposit (Tingguan Cu-Mo deposit), Nyêmo Co. (Nimu Co.), Lhasa, Tibet, China
8.2km (5.1 miles) ⓘBairong Cu-Mo deposit, Nyêmo Co. (Nimu Co.), Lhasa, Tibet, China
16.2km (10.1 miles) ⓘGangjiang Cu-Mo deposit, Nyêmo Co. (Nimu Co.), Lhasa, Tibet, China
31.8km (19.7 miles) ⓘNianzha deposit, Rinbung Co. (Renbu Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
52.5km (32.6 miles) ⓘLiangguo corundum deposit, Qüxü Co. (Qushui Co.), Lhasa, Tibet, China
55.2km (34.3 miles) ⓘPusangguo deposit, Namling Co. (Nanmulin Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
89.3km (55.5 miles) ⓘNanmu Cu-(Mo) deposit, Qüxü Co. (Qushui Co.), Lhasa, Tibet, China
References
Wu Lin, Yuquan Zhang, Huaying Liang, and Yingwen Xie (2004): Geochimica 33(6), 585-592
 
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