Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Biotite from
Chabu geothermal field, Chabu Township, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China


Locality type:Geothermal Field
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 Chabu geothermal field, Chabu Township, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1674851
Long-form Identifier:1:3:1674851:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
16.1km (10.0 miles) ⓘChunzhe granitic porphyry, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
30.5km (19.0 miles) ⓘXietongmen Cu-Au deposit, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
30.6km (19.0 miles) ⓘSinongduo deposit, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
38.5km (23.9 miles) ⓘZebuxia Pb–Zn deposit, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
39.2km (24.3 miles) ⓘDongga Cu No. 3 deposit, Xiongcun ore district, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
40.0km (24.9 miles) ⓘNewtongmen Cu deposit, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
40.5km (25.1 miles) ⓘNo. II Deposit, Xiongcun Cu-(Au) deposit, Xiongcun ore district, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
42.6km (26.5 miles) ⓘNo. I Deposit, Xiongcun Cu-(Au) deposit, Xiongcun ore district, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
46.4km (28.8 miles) ⓘNarusongduo Mine, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
52.0km (32.3 miles) ⓘJiru Cu deposit, Namling Co. (Nanmulin Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
References
Li, Ruo-Ming, Li, Yu-Bin, Yang, Chang-Jin, Zhang, Jin-Shu, Shen, Cong, Yuan, Lin, Yang, Can, Xu, Guo-Miao, Liu, Duo, Yang, Lin-Chao, et al. (2025) The Genesis of Cs-Rich Geyserite in the Chabu Geothermal Field in Southern Tibet. Minerals, 15 (1). doi:10.3390/min15010036
 
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