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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
Baguamiao Mine, Fengxian–Taibai ore cluster, Feng County, Baoji, Shaanxi, 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 Baguamiao Mine, Fengxian–Taibai ore cluster, Feng County, Baoji, Shaanxi, China
Data Identifiers
Mindat Occurrence Record ID:478406
Long-form Identifier:1:3:478406:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
23.9km (14.9 miles) ⓘShuangwang Au deposit, Taibai County, Baoji, Shaanxi, China
35.7km (22.2 miles) ⓘLiuba Pluton, Liuba County, Hanzhong, Shaanxi, China
36.9km (22.9 miles) ⓘQiandongshan Mine (Qiantongshan Mine), Fengxian–Taibai ore cluster, Feng County, Baoji, Shaanxi, China
38.9km (24.2 miles) ⓘYindongxia Gorge, Dasanguan Village, Shennong Town, Weibin District, Baoji, Shaanxi, China
39.1km (24.3 miles) ⓘQingyangyi Pluton, Liuba County, Hanzhong, Shaanxi, China
50.9km (31.6 miles) ⓘSijiagoumen, Panjiawan Village, Panxi Town, Chencang District, Baoji, Shaanxi, China
58.4km (36.3 miles) ⓘHuayagou Au deposit, Liangdang Co., Longnan, Gansu, China
72.5km (45.0 miles) ⓘLiushaogou Au deposit, Hui Co., Longnan, Gansu, China
90.1km (56.0 miles) ⓘTailu pluton, Maiji District, Tianshui, Gansu, China
99.2km (61.6 miles) ⓘLizi Au deposit, Qinzhou District, Tianshui, Gansu, China
References
 
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