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
Qinggangping Au deposit, Song 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 Qinggangping Au deposit, Song County, Luoyang, Henan, China
Data Identifiers
Mindat Occurrence Record ID:743979
Long-form Identifier:1:3:743979:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
11.5km (7.2 miles) ⓘShapoling Mo deposit, Luoning County, Luoyang, Henan, China
12.6km (7.9 miles) ⓘShapoling polymetallic deposit, Luoning County, Luoyang, Henan, China
13.9km (8.7 miles) ⓘHuanxiangwa Mine (Huangxiangwa Mine; Huaxiangwa Mine), Song County, Luoyang, Henan, China
15.0km (9.3 miles) ⓘHuangshui'an Mo-(Pb) deposit, Song County, Luoyang, Henan, China
19.2km (11.9 miles) ⓘHuaishuping Au deposit, Dongwan gold field, Song County, Luoyang, Henan, China
20.9km (13.0 miles) ⓘLeimengou Mo-Au deposit, Qiyugou ore field, Song County, Luoyang, Henan, China
21.9km (13.6 miles) ⓘMiaoling Au deposit, Dongwan gold field, Song County, Luoyang, Henan, China
22.4km (13.9 miles) ⓘQiyugou Mine, Qiyugou ore field, Song County, Luoyang, Henan, China
22.8km (14.2 miles) ⓘGongyu Au deposit, Qiyugou ore field, Song County, Luoyang, Henan, China
22.9km (14.2 miles) ⓘShiyaogou Mo deposit, Shizimiao Au-Mo ore field, Luanchuan County, Luoyang, Henan, China
References
Xiyan Zhao, Guoming Liu, Dejie Chen, Dongxing Zhai, and Qiaomei Zhang (2002): Geology and Prospecting 38(3), 38-41
 
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