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
Beiyingxigou Pb–Zn–Ag deposit, Pingshan Co., Shijiazhuang, Hebei, 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 Beiyingxigou Pb–Zn–Ag deposit, Pingshan Co., Shijiazhuang, Hebei, China
Data Identifiers
Mindat Occurrence Record ID:1787315
Long-form Identifier:1:3:1787315:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.6km (1.6 miles) ⓘQiushulin Mo deposit, Lingshou Co., Shijiazhuang, Hebei, China
4.7km (2.9 miles) ⓘQiubudong Ag deposit, Pingshan Co., Shijiazhuang, Hebei, China
11.6km (7.2 miles) ⓘMapeng pluton, Fuping County, Baoding, Hebei, China
12.6km (7.8 miles) ⓘShihu Au deposit, Shihu-Tuling gold field, Lingshou Co., Shijiazhuang, Hebei, China
17.6km (11.0 miles) ⓘXishimen-Lijiazhuang Mine, Lingshou Co., Shijiazhuang, Hebei, China
21.7km (13.5 miles) ⓘZhaigou BIF deposit, Pingshan Co., Shijiazhuang, Hebei, China
36.1km (22.4 miles) ⓘJingangku Mine, Wutai Co., Xinzhou, Shanxi, China
58.5km (36.3 miles) ⓘGengzhuang Mine, Yangyan river valley, Fanshi Co., Xinzhou, Shanxi, China
59.7km (37.1 miles) ⓘHouyu Cu-Mo deposit, Yangyan river valley, Fanshi Co., Xinzhou, Shanxi, China
62.8km (39.0 miles) ⓘBaishitai Au-Ag deposit, Quyang County, Baoding, Hebei, China
References
Wang, Xiao; Li, Sheng-Rong; Santosh, M.; Gan, Hao-Nan; Sun, Wen-Yan (2014) Source characteristics and fluid evolution of the Beiyingxigou Pb–Zn–Ag deposit, central North China Craton: An integrated stable isotope investigation. Ore Geology Reviews, 56. doi:10.1016/j.oregeorev.2013.02.003
 
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