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Biotite from
Chengxuan Ni–Cu deposit, Dunhuang Co., Jiuquan, Gansu, 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 Chengxuan Ni–Cu deposit, Dunhuang Co., Jiuquan, Gansu, China
Data Identifiers
Mindat Occurrence Record ID:1986603
Long-form Identifier:1:3:1986603:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
72.0km (44.7 miles) ⓘM1033 Fe deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
75.3km (46.8 miles) ⓘJuyuan W deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
81.8km (50.9 miles) ⓘCihai iron mine, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
92.9km (57.7 miles) ⓘYantan Mn deposit, Dashui-Hongliuhe Mn ore belt, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
93.1km (57.8 miles) ⓘYamansu quartz deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
References
Huang, Chao; Guo, Na; Zhao, Binbin; Li, Chunhao (2026) Coupled amphibole infrared spectroscopy and geochemistry as indicators of, and constraints on, mafic–ultramafic Ni–Cu sulfide ore-forming processes: The Beishan Chengxuan deposit (NW China). Ore Geology Reviews, 196. p.107499. doi:10.1016/j.oregeorev.2026.107499
 
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