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
Bolong Cu-Au deposit, Duolong ore field, Gêrzê 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 Bolong Cu-Au deposit, Duolong ore field, Gêrzê Co., Ngari, Tibet, China
Data Identifiers
Mindat Occurrence Record ID:870769
Long-form Identifier:1:3:870769:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
7.4km (4.6 miles) ⓘSouthern Tiegelong deposit, Duolong ore field, Gêrzê Co., Ngari, Tibet, China
7.6km (4.7 miles) ⓘTiegelongnan porphyry-epithermal Cu (Au) deposit, Duolong ore field, Gêrzê Co., Ngari, Tibet, China
8.0km (5.0 miles) ⓘNaruo deposit, Duolong ore field, Gêrzê Co., Ngari, Tibet, China
9.5km (5.9 miles) ⓘDuobuza Cu-(Au) deposit (Dobuzha Cu-(Au) deposit), Duolong ore field, Gêrzê Co., Ngari, Tibet, China
55.5km (34.5 miles) ⓘQingcaoshan, Gêrzê Co., Ngari, Tibet, China
References
Xiangping Zhu, Hua'an Chen, Dongfang Ma, Hanxiao Huang, Guangming Li, Yubin Li, Yuchang Li, Lujie Wei, and Chaoqiang Liu (2013): Mineral Deposits 32(5), 954-962
 
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