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
Shuangbujiere Cu deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka 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 Shuangbujiere Cu deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
Data Identifiers
Mindat Occurrence Record ID:732019
Long-form Identifier:1:3:732019:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.3km (2.7 miles) ⓘNuri Cu-Mo-W deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
8.4km (5.2 miles) ⓘMingze-Chengba Cu-Au-Mo deposit, Sangri Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
11.7km (7.3 miles) ⓘChongmuda Cu-Au-Ag deposit, Sangri Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
15.9km (9.9 miles) ⓘPanan W deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
39.7km (24.6 miles) ⓘZhibula Cu deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
41.5km (25.8 miles) ⓘQiangdui Cu-Mo deposit, Dagzê Co. (Dazi Co.), Lhasa, Tibet, China
41.6km (25.9 miles) ⓘQulong Cu-(Mo) deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
43.1km (26.8 miles) ⓘJiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
43.2km (26.8 miles) ⓘKelu Cu-Au deposit (Keru Cu-Au deposit), Zhanang Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
45.0km (28.0 miles) ⓘZegulangbei deposit, Jiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
References
Guangming Li, Kezhang Qin, Kuishou Ding, Jinxiang Li, Shaohuai Wang, Sanyuan Jiang, Jindeng Lin, Huazai Jiang, Shuyuan Fang, and Xinchun Zhang (2006): Geology and Mineral Assemblage of Tertiary Skarn Cu-Au±Mo Deposits in the Southeastern Gangdese Arc. Implications for Deep Exploration. Acta Geologica Sinica 80(9), 1407-1421 (in Chinese with English abstract).
 
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