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
Detiangou Au deposit, Huairou District, Beijing, 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 Detiangou Au deposit, Huairou District, Beijing, China
Data Identifiers
Mindat Occurrence Record ID:732141
Long-form Identifier:1:3:732141:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
17.8km (11.1 miles) ⓘFengjiayu Fe deposit, Miyun District, Beijing, China
39.0km (24.2 miles) ⓘDazhuangke Mo-W deposit, Changping District, Beijing, China
39.3km (24.4 miles) ⓘShachang Fe deposit, Miyun District, Beijing, China
45.2km (28.1 miles) ⓘDacaoping Mo deposit, Fengning County, Chengde, Hebei, China
73.6km (45.7 miles) ⓘSadaigoumen Mo deposit, Fengning County, Chengde, Hebei, China
79.1km (49.1 miles) ⓘXichanggou Mo deposit, Xinglong County, Chengde, Hebei, China
80.1km (49.8 miles) ⓘHuashi Au-Mo deposit, Xinglong County, Chengde, Hebei, China
86.2km (53.6 miles) ⓘDongshuichang B-Mn deposit, Jizhou, Tianjin, China
86.8km (54.0 miles) ⓘDongshan Au deposit, Jidong gold belt, Jizhou, Tianjin, China
88.2km (54.8 miles) ⓘHongshila Pt-Pd deposit (Hung District), Boluonuo, Fengning County, Chengde, Hebei, China
References
Yanhe Cui, Shaomei Qi, Mingsheng Peng, and Bin Shi (1994): Mineral Deposits 13(3), 261-270
 
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