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
Qianhe Au deposit, Dongwan gold field, 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 Qianhe Au deposit, Dongwan gold field, Song County, Luoyang, Henan, China
Data Identifiers
Mindat Occurrence Record ID:738432
Long-form Identifier:1:3:738432:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
37.7km (23.4 miles) ⓘLaoliwan Ag-Pb-Zn deposit, Luoning County, Luoyang, Henan, China
53.2km (33.1 miles) ⓘLuojiahe Cu deposit, Zhongtiaoshan ore field, Yuanqu Co., Yuncheng, Shanxi, China
53.9km (33.5 miles) ⓘHujiayu Cu deposit, Zhongtiaoshan ore field, Yuanqu Co., Yuncheng, Shanxi, China
57.0km (35.4 miles) ⓘShapoling Mo deposit, Luoning County, Luoyang, Henan, China
57.9km (36.0 miles) ⓘShapoling polymetallic deposit, Luoning County, Luoyang, Henan, China
60.7km (37.7 miles) ⓘSongjiashan Co-Fe deposit, Yuanqu Co., Yuncheng, Shanxi, China
61.7km (38.3 miles) ⓘShenjiayao Au-Ag-Pb-Zn deposit, Shanzhou District, Sanmenxia, Henan, China
62.8km (39.0 miles) ⓘGongyu Au deposit, Qiyugou ore field, Song County, Luoyang, Henan, China
62.9km (39.1 miles) ⓘTongkuangyu Cu deposit, Zhongtiaoshan ore field, Yuanqu Co., Yuncheng, Shanxi, China
63.6km (39.5 miles) ⓘLeimengou Mo-Au deposit, Qiyugou ore field, Song County, Luoyang, Henan, China
References
Songsen Zheng, Yunzheng Zhang, Jichang Weng, Lei Chen, Anmin Ba, Zhenhua Li, and Jianfeng Yin (2011): Geology and Exploration 47(2), 204-208
 
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