Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Yangchuling W-Mo deposit, Duchang Co., Jiujiang, Jiangxi, 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 Yangchuling W-Mo deposit, Duchang Co., Jiujiang, Jiangxi, China
Data Identifiers
Mindat Occurrence Record ID:483462
Long-form Identifier:1:3:483462:5
GUID (UUID V4):0
Localities for Biotite in this Region
Ligongling breccia pipe, Yangchuling W-Mo deposit, Duchang Co., Jiujiang, Jiangxi, China
Nearest other occurrences of Biotite
0.8km (0.5 miles) ⓘLigongling breccia pipe, Yangchuling W-Mo deposit, Duchang Co., Jiujiang, Jiangxi, China
63.5km (39.5 miles) ⓘJianfengpo Mine, De'an Co., Jiujiang, Jiangxi, China
64.7km (40.2 miles) ⓘTielukan deposit, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, China
65.2km (40.5 miles) ⓘChengmenshan mine, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, China
72.8km (45.3 miles) ⓘZengjialong Sn-polymetallic deposit (Zhengjialong Sn-polymetallic deposit), De'an Co., Jiujiang, Jiangxi, China
75.6km (47.0 miles) ⓘZhubuyuan pluton, Tongbai-Dabie orogen, China
76.4km (47.5 miles) ⓘMaopengdian Sn deposit, Bazinao Sn-W ore field, Fuliang Co., Jingdezhen, Jiangxi, China
81.3km (50.5 miles) ⓘLongmianzhai pluton, Tongbai-Dabie orogen, China
81.8km (50.8 miles) ⓘWushan Mine (Wujia Cu-Au deposit), Ruichang Co., Jiujiang, Jiangxi, China
84.1km (52.3 miles) ⓘTongmukeng Sn deposit, Jiujiang, Jiangxi, China
References
Bingcai Chen (1981): Geology and Prospecting 17(2), 31-37
Bingcai Chen (1986): Geology and Prospecting 22(4), 35-40
Mingzhen Mo (1988): Mineral Deposits 7(3), 50-59
Zhang, Yong; Tang, Minjiang; Wang, Qingfei; Xiao, Jinglei; Pan, Jiayong; Xia, Fei; Xu, Zhe; Dang, Feipeng; Wang, Guohua; Han, Shan Chu; et al. (2026) Magmatic-hydrothermal mineralization in central Jiangnan orogenic belt, south China. Ore Geology Reviews, 194. p.107363. doi:10.1016/j.oregeorev.2026.107363
 
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