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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
Lanjiagou Mo deposit, Yangjiazhangzi ore field, Lianshan District, Huludao, Liaoning, 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 Lanjiagou Mo deposit, Yangjiazhangzi ore field, Lianshan District, Huludao, Liaoning, China
Data Identifiers
Mindat Occurrence Record ID:735512
Long-form Identifier:1:3:735512:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
12.5km (7.8 miles) ⓘShuiquan Au deposit, Lianshan District, Huludao, Liaoning, China
56.1km (34.9 miles) ⓘJiangjiatun Mo deposit, Xingcheng City, Huludao, Liaoning, China
70.2km (43.6 miles) ⓘBajiazi Zn-Pb-Ag deposit, Jianchang County, Huludao, Liaoning, China
97.8km (60.7 miles) ⓘXiaotazigou Au deposit, Xiaotazigou-Dongwujiazi ore field, Kazuo County, Chaoyang, Liaoning, China
98.2km (61.0 miles) ⓘXiaojiayingzi Cu-Mo-(Fe) deposit, Jianping County, Chaoyang, Liaoning, China
References
Wenwei Lin (1987): Mineral Deposits 6(1), 22-34
 
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