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
Lengshuibeigou Pb-Zn deposit (Lengshuigou Pb-Zn deposit), Nannihu ore field, 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 Lengshuibeigou Pb-Zn deposit (Lengshuigou Pb-Zn deposit), Nannihu ore field, Luanchuan County, Luoyang, Henan, China
Data Identifiers
Mindat Occurrence Record ID:730891
Long-form Identifier:1:3:730891:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.2km (0.7 miles) ⓘShangfanggou Mine (Shangfang Mine), Nannihu ore field, Luanchuan County, Luoyang, Henan, China
2.1km (1.3 miles) ⓘNannihu-Sandaozhuang Mine, Nannihu ore field, Luanchuan County, Luoyang, Henan, China
2.4km (1.5 miles) ⓘZhuyuangou Mine, Nannihu ore field, Luanchuan County, Luoyang, Henan, China
3.2km (2.0 miles) ⓘYumugou Mo-W deposit, Yuku Mo ore field, Luanchuan County, Luoyang, Henan, China
4.0km (2.5 miles) ⓘLuocun Mo deposit, Luanchuan County, Luoyang, Henan, China
7.6km (4.7 miles) ⓘYiyuan jade deposit, Luanchuan County, Luoyang, Henan, China
7.7km (4.8 miles) ⓘYuku pluton, Yuku Mo ore field, Luanchuan County, Luoyang, Henan, China
8.6km (5.3 miles) ⓘShibaogou pluton, Yuku Mo ore field, Luanchuan County, Luoyang, Henan, China
8.9km (5.5 miles) ⓘShibaogou deposit, Yuku Mo ore field, Luanchuan County, Luoyang, Henan, China
13.1km (8.1 miles) ⓘJiudinggou Mo-W deposit, Luanchuan County, Luoyang, Henan, China
References
Wende Lü, Chunhe Zhao, Weizhi Sun, and Jianshe Yan (2005): Geological Survey and Research 28(1), 25-31
 
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