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
Renli Nb‐Ta deposit, Pingjiang Co., Yueyang, Hunan, 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 Renli Nb‐Ta deposit, Pingjiang Co., Yueyang, Hunan, China
Data Identifiers
Mindat Occurrence Record ID:1484152
Long-form Identifier:1:3:1484152:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
33.3km (20.7 miles) ⓘHengjiangchong Au deposit, Pingjiang Co., Yueyang, Hunan, China
33.4km (20.8 miles) ⓘHuangjindong As-Au deposit, Huangjindong goldfield, Pingjiang Co., Yueyang, Hunan, China
56.7km (35.3 miles) ⓘDuanfengshan Mine, Tongcheng Co., Xianning, Hubei, China
68.0km (42.2 miles) ⓘQibaoshan Cu-polymetallic deposit, Liuyang City, Changsha, Hunan, China
72.5km (45.0 miles) ⓘJinyinshan Li deposit, Hubei, China
84.2km (52.3 miles) ⓘXianglushan Mine, Xiushui Co., Jiujiang, Jiangxi, China
References
Cheng, Yongsheng, Zhuobin Xu, Hongfei Di, Zewen Zhang, Chunwang Mao, Huajie Tan, Jianzhong Huang, Fangchun Zhou, Liping Zhang, Jianfeng Chen, and Chunhua Wen. (2022) "Apatite U-Pb Dating and Composition Constraints for Magmatic–Hydrothermal Evolution in the Giant Renli Nb-Ta Deposit, South China" Minerals 12, no. 3: 344. https://doi.org/10.3390/min12030344
 
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