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
Huangshandong Cu-Ni-PGE deposit (Huangshan East Cu-Ni-PGE deposit), Huangshan-Jing'erquan ore belt, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, 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 Huangshandong Cu-Ni-PGE deposit (Huangshan East Cu-Ni-PGE deposit), Huangshan-Jing'erquan ore belt, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
Data Identifiers
Mindat Occurrence Record ID:1701562
Long-form Identifier:1:3:1701562:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
7.8km (4.9 miles) ⓘJing'erquan Au deposit, Huangshan-Jing'erquan ore belt, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
13.1km (8.1 miles) ⓘYuhaixi Mo(Cu) deposit, Huangshan-Jing'erquan ore belt, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
13.7km (8.5 miles) ⓘSanchakou Cu deposit (Sanchalu Cu deposit), Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
34.8km (21.6 miles) ⓘNiumaoquan Fe–Ti oxide deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
39.3km (24.4 miles) ⓘHongxingshan Pb-Zn-(Ag) deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
47.8km (29.7 miles) ⓘShaquanzi Fe-(Cu) deposit, Shaquanzi, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
49.9km (31.0 miles) ⓘBaishiquan Cu-Ni deposit, Baishiquan ore district, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
54.5km (33.9 miles) ⓘTianyu Cu-Ni deposit, Baishiquan ore district, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
57.7km (35.8 miles) ⓘXiaopu Cu-(Au) deposit, Qincheng township, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
67.9km (42.2 miles) ⓘXiaobaishitou Mo-W deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
References
Wei, Shuai, Bai, Zhong-Jie, Li, Chusi, Deng, Yu-Feng, Song, Xie-Yan, Zhu, Wei-Guang, Ji, Wen-Bin (2025) Reduction-Induced Sulfide Saturation in the Huangshandong and Huangshanxi Magmatic Ni-Cu Deposits in the Central Asian Orogenic Belt of China. Economic Geology, 120 (1). doi:10.5382/econgeo.5124
 
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