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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
Sijiagoumen, Panjiawan Village, Panxi Town, Chencang District, Baoji, Shaanxi, China


Locality type:Valley
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
Associated Minerals Based on Photo Data:
Spessartine1
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Sijiagoumen, Panjiawan Village, Panxi Town, Chencang District, Baoji, Shaanxi, China
Data Identifiers
Mindat Occurrence Record ID:1948688
Long-form Identifier:1:3:1948688:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
26.1km (16.2 miles) ⓘYindongxia Gorge, Dasanguan Village, Shennong Town, Weibin District, Baoji, Shaanxi, China
48.4km (30.1 miles) ⓘShuangwang Au deposit, Taibai County, Baoji, Shaanxi, China
50.9km (31.6 miles) ⓘBaguamiao Mine, Fengxian–Taibai ore cluster, Feng County, Baoji, Shaanxi, China
82.9km (51.5 miles) ⓘLiuba Pluton, Liuba County, Hanzhong, Shaanxi, China
83.2km (51.7 miles) ⓘMa'anqiao Au deposit, Zhouzhi County, Xi'an, Shaanxi, China
83.8km (52.1 miles) ⓘQiandongshan Mine (Qiantongshan Mine), Fengxian–Taibai ore cluster, Feng County, Baoji, Shaanxi, China
84.3km (52.4 miles) ⓘQingyangyi Pluton, Liuba County, Hanzhong, Shaanxi, China
95.0km (59.0 miles) ⓘHuayagou Au deposit, Liangdang Co., Longnan, Gansu, China
References
boyuan zhang CollectionIdentified by boyuan zhang: Visual Identification
 
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