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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Opal from
Jinwozi Mine (Xinwozi Mine; Jinwuozi Mine), Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Jinwozi Mine (Xinwozi Mine; Jinwuozi Mine), Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
Data Identifiers
Mindat Occurrence Record ID:1803578
Long-form Identifier:1:3:1803578:2
GUID (UUID V4):0
Nearest other occurrences of Opal
27.5km (17.1 miles) ⓘShuangjingzi Fe deposit, Guazhou Co., Jiuquan, Gansu, China
80.7km (50.1 miles) ⓘNanjinshan Au Mine, Subei Co., Jiuquan, Gansu, China
References
Wang, Yaoxuan; Xiao, Bing; Wang, Yong; Zhao, Jiaxuan; Wang, Hao; Cao, Genshen (2025) Hydrothermal alteration and shortwave infrared (SWIR) spectroscopy exploration of the Jinwozi gold deposit in the Beishan Orogenic Belt, NW China. Ore Geology Reviews, 185. 106820 doi:10.1016/j.oregeorev.2025.106820
 
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