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
Dongshan Au deposit, Jidong gold belt, Jizhou, Tianjin, 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 Dongshan Au deposit, Jidong gold belt, Jizhou, Tianjin, China
Data Identifiers
Mindat Occurrence Record ID:731108
Long-form Identifier:1:3:731108:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
11.8km (7.3 miles) ⓘHuashi Au-Mo deposit, Xinglong County, Chengde, Hebei, China
12.9km (8.0 miles) ⓘDongshuichang B-Mn deposit, Jizhou, Tianjin, China
21.1km (13.1 miles) ⓘXichanggou Mo deposit, Xinglong County, Chengde, Hebei, China
21.1km (13.1 miles) ⓘTaipingcun Mo deposit, Xinglong County, Chengde, Hebei, China
47.6km (29.6 miles) ⓘShachang Fe deposit, Miyun District, Beijing, China
67.2km (41.7 miles) ⓘShouwangfen Mine, Yingshouyingzikuang District, Chengde, Hebei, China
78.6km (48.9 miles) ⓘFengjiayu Fe deposit, Miyun District, Beijing, China
86.8km (54.0 miles) ⓘDetiangou Au deposit, Huairou District, Beijing, China
88.5km (55.0 miles) ⓘMengjiagou Mine, Qian'an iron mine, Qian'an Co., Tangshan, Hebei, China
92.8km (57.7 miles) ⓘMalanzhuang Mine, Qian'an Co., Tangshan, Hebei, China
References
Huiwen Wang (2004): Geological Survey and Research 27(s1), 33-38
 
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