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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
Paodaoling Au deposit, Guichi District, Chizhou, Anhui, 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 Paodaoling Au deposit, Guichi District, Chizhou, Anhui, China
Data Identifiers
Mindat Occurrence Record ID:884267
Long-form Identifier:1:3:884267:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.6km (2.3 miles) ⓘMatou Mo-Cu deposit, Guichi District, Chizhou, Anhui, China
23.3km (14.5 miles) ⓘTongshan Mine (West Tongshan Mine), Guichi District, Chizhou, Anhui, China
41.1km (25.5 miles) ⓘGaojiabang W-Mo deposit, Qingyang Co., Chizhou, Anhui, China
57.6km (35.8 miles) ⓘAnqing copper mine, Yueshan ore field, Huaining County, Anqing, Anhui, China
57.8km (35.9 miles) ⓘHamaling Au-Cu-Mo deposit, Yi'an District, Tongling, Anhui, China
58.9km (36.6 miles) ⓘZhuchong Fe-Cu Deposit, Yueshan ore field, Huaining County, Anqing, Anhui, China
61.5km (38.2 miles) ⓘJiguanshi Ag-(Au) deposit, Yi'an District, Tongling, Anhui, China
62.0km (38.5 miles) ⓘJinkouling Mine (Jingkouling Mine), Tongguanshan ore field, Tongling, Anhui, China
64.0km (39.8 miles) ⓘTianmashan Mine, Tongguanshan ore field, Tongling, Anhui, China
64.6km (40.2 miles) ⓘHucun Cu-(Au) deposit, Shizishan ore field, Tongling, Anhui, China
References
Huihuang Zhang, Liandeng Liu, Yunsheng Ren, Chengfu Xie, and Jincan Lin (2002): Mineral Deposits 21(suppl.), 771-774
Zhao, Qiang; Yuan, Feng; Deng, Yufeng; Li, Xiangling; Li, Xiaohui; Wang, Zhiqiang; Zhang, Mingming; Li, Yue; Zheng, Chaojie; Bao, Hongchen (2025) Mineralization of LS epithermal deposit in intracontinental: Evidence from the mineralogy, metallogenic age, and S-Pb isotopes of the Paodaoling Au deposit. Ore Geology Reviews, 187. 106917 doi:10.1016/j.oregeorev.2025.106917
 
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