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
Tielukan deposit, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, 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 Tielukan deposit, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, China
Data Identifiers
Mindat Occurrence Record ID:1753398
Long-form Identifier:1:3:1753398:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.5km (0.3 miles) ⓘChengmenshan mine, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, China
17.3km (10.8 miles) ⓘWushan Mine (Wujia Cu-Au deposit), Ruichang Co., Jiujiang, Jiangxi, China
29.4km (18.3 miles) ⓘJianfengpo Mine, De'an Co., Jiujiang, Jiangxi, China
29.5km (18.3 miles) ⓘDongleiwan Mine, Jiurui Mining District, Yangxin Co., Huangshi, Hubei, China
35.6km (22.1 miles) ⓘZengjialong Sn-polymetallic deposit (Zhengjialong Sn-polymetallic deposit), De'an Co., Jiujiang, Jiangxi, China
37.6km (23.4 miles) ⓘFengshan Mine (Fengshandong Mine), Fengshan ore field, Yangxin Co., Huangshi, Hubei, China
39.6km (24.6 miles) ⓘJilongshan Au-Cu deposit, Fengshan ore field, Yangxin Co., Huangshi, Hubei, China
40.1km (24.9 miles) ⓘLongmianzhai pluton, Tongbai-Dabie orogen, China
64.4km (40.0 miles) ⓘLigongling breccia pipe, Yangchuling W-Mo deposit, Duchang Co., Jiujiang, Jiangxi, China
64.4km (40.0 miles) ⓘTongmukeng Sn deposit, Jiujiang, Jiangxi, China
References
Wang, Hai; Wang, Ying; Sun, Hairui; Fu, Haiping; Feng, Daoshui; Xu, Lin; Wang, Qingfei (2025) Apatite and garnet geochronological and geochemical constraints on the properties and evolution of the Tielukan Cu polymetallic deposit, Jiangxi Province. Ore Geology Reviews, 183. 106677 doi:10.1016/j.oregeorev.2025.106677
 
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