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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Montmorillonite from
Qiucun Au deposit, Dehua Co., Quanzhou, Fujian, China


Locality type:Deposit
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Qiucun Au deposit, Dehua Co., Quanzhou, Fujian, China
Data Identifiers
Mindat Occurrence Record ID:1974702
Long-form Identifier:1:3:1974702:4
GUID (UUID V4):0
References
Fan, Fei-Peng; Ni, Pei; Xiao, Fan; Zhou, Yan; Xing, Guang-Fu; Zhao, Zi-Hao; Yu, Zhi-Qiang; Fan, Ming-Seng; Wang, Nan (2026) Gold mineralisation characteristics of the typical ore body and the potential for exploration in the Qiucun Au deposit, Dehua county, Fujian province, China. Ore Geology Reviews, 195. p.107420. doi:10.1016/j.oregeorev.2026.107420
 
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