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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Biotite from
Jianfengpo Mine, De'an Co., Jiujiang, Jiangxi, China


Locality type:Mine
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 Jianfengpo Mine, De'an Co., Jiujiang, Jiangxi, China
Data Identifiers
Mindat Occurrence Record ID:756055
Long-form Identifier:1:3:756055:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
9.9km (6.1 miles) ⓘZengjialong Sn-polymetallic deposit (Zhengjialong Sn-polymetallic deposit), De'an Co., Jiujiang, Jiangxi, China
29.4km (18.3 miles) ⓘTielukan deposit, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, China
29.4km (18.3 miles) ⓘChengmenshan mine, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, China
35.2km (21.9 miles) ⓘWushan Mine (Wujia Cu-Au deposit), Ruichang Co., Jiujiang, Jiangxi, China
35.4km (22.0 miles) ⓘTongmukeng Sn deposit, Jiujiang, Jiangxi, China
43.7km (27.2 miles) ⓘDongleiwan Mine, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, China
48.9km (30.4 miles) ⓘFengshan Mine (Fengshandong Mine), Fengshan ore field, Yangxin Co., Huangshi, Hubei, China
49.3km (30.6 miles) ⓘJilongshan Au-Cu deposit, Fengshan ore field, Yangxin Co., Huangshi, Hubei, China
62.9km (39.1 miles) ⓘLigongling breccia pipe, Yangchuling W-Mo deposit, Duchang Co., Jiujiang, Jiangxi, China
63.5km (39.5 miles) ⓘYangchuling W-Mo deposit, Duchang Co., Jiujiang, Jiangxi, China
References
Wenxue Zhou and Wenliang Gao (1987): Geology and Prospecting 23(6), 22-28
 
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