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
Bailugou Pb-Zn deposit, Luanchuan County, Luoyang, Henan, 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 Bailugou Pb-Zn deposit, Luanchuan County, Luoyang, Henan, China
Data Identifiers
Mindat Occurrence Record ID:1663983
Long-form Identifier:1:3:1663983:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.9km (2.5 miles) ⓘJiudinggou Mo-W deposit, Luanchuan County, Luoyang, Henan, China
8.5km (5.3 miles) ⓘShibaogou deposit, Yuku Mo ore field, Luanchuan County, Luoyang, Henan, China
9.5km (5.9 miles) ⓘShibaogou pluton, Yuku Mo ore field, Luanchuan County, Luoyang, Henan, China
11.1km (6.9 miles) ⓘYuku pluton, Yuku Mo ore field, Luanchuan County, Luoyang, Henan, China
14.3km (8.9 miles) ⓘLongwangzhuang REE deposit, Longwangzhuang pluton, Luanchuan County, Luoyang, Henan, China
14.8km (9.2 miles) ⓘZhuyuangou Mine, Nannihu ore field, Luanchuan County, Luoyang, Henan, China
15.5km (9.6 miles) ⓘLuocun Mo deposit, Luanchuan County, Luoyang, Henan, China
15.7km (9.8 miles) ⓘYumugou Mo-W deposit, Yuku Mo ore field, Luanchuan County, Luoyang, Henan, China
16.1km (10.0 miles) ⓘNannihu-Sandaozhuang Mine, Nannihu ore field, Luanchuan County, Luoyang, Henan, China
17.0km (10.6 miles) ⓘLengshuibeigou Pb-Zn deposit (Lengshuigou Pb-Zn deposit), Nannihu ore field, Luanchuan County, Luoyang, Henan, China
References
Yang, Yan, Chen, Hui, Guo, Nana, Wu, Donghao, Pang, Zhenshan, Chen, Yanjing (2024) Isotope Geochemistry and Metallogenic Model of the Bailugou Vein-Type Zn-Pb-Ag Deposit, Eastern Qinling Orogen, China. Minerals, 14 (12). doi:10.3390/min14121244
 
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