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
Yao'an Au-Ag deposit, Yao'an County, Chuxiong, Yunnan, 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 Yao'an Au-Ag deposit, Yao'an County, Chuxiong, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:474620
Long-form Identifier:1:3:474620:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
51.6km (32.0 miles) ⓘJinbaoshan Pt-Pd-Ni-Cu deposit (Jingbaoshan Pt-Pd-Ni-Cu deposit), Midu County, Dali, Yunnan, China
74.2km (46.1 miles) ⓘJinchangqing ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
79.8km (49.6 miles) ⓘLuandongshan ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
80.3km (49.9 miles) ⓘMachangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
81.3km (50.5 miles) ⓘBaoxingchang ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
84.3km (52.4 miles) ⓘShuangmacao Au deposit, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
95.9km (59.6 miles) ⓘEtouchang Cu deposit, Luoci Cu ore field, Wuding County, Chuxiong, Yunnan, China
References
Hou, Zengqian, Zeng, Pusheng, Gao, Yongfeng, Du, Andao, Fu, Deming (2006) Himalayan Cu–Mo–Au mineralization in the eastern Indo–Asian collision zone: constraints from Re–Os dating of molybdenite. Mineralium Deposita, 41 (1) 33-45 doi:10.1007/s00126-005-0038-2
Yan, Qinggao; Jiang, Xiaojun; Li, Wenchang; Li, Chao; Yang, Fucheng (2024) Genesis of alkaline porphyries and associated Cu–Au–Pb–Ag polymetallic mineralization in an intracontinental transpression setting: Example from the Yao’an volcano-plutonic complex in western Yangtze Craton, SW China. Ore Geology Reviews, 165. doi:10.1016/j.oregeorev.2024.105922
 
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