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
Shuangmacao Au deposit, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, 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 Shuangmacao Au deposit, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:741563
Long-form Identifier:1:3:741563:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.3km (2.1 miles) ⓘBaoxingchang ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
4.1km (2.5 miles) ⓘMachangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
5.3km (3.3 miles) ⓘLuandongshan ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
11.6km (7.2 miles) ⓘJinchangqing ore block, Machangqing Mine, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
70.7km (43.9 miles) ⓘJinbaoshan Pt-Pd-Ni-Cu deposit (Jingbaoshan Pt-Pd-Ni-Cu deposit), Midu County, Dali, Yunnan, China
72.2km (44.9 miles) ⓘBijiashan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
74.1km (46.0 miles) ⓘBeiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
74.7km (46.4 miles) ⓘWandongshan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
82.3km (51.1 miles) ⓘAlin Au deposit, Shuixie Cu–Co ore field, Yongping County, Dali, Yunnan, China
84.3km (52.4 miles) ⓘYao'an Au-Ag deposit, Yao'an County, Chuxiong, Yunnan, China
References
Zihua Wang, Xiaodong Guo, Wanqiang Yu, Yiling Zhou, Tao Xu, and Yong Zhang (2010): Geology and Exploration 46(2), 214-223
 
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