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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Alunite from
Xianling mining area, Changhua, Lin'an District, Hangzhou, Zhejiang, China


Locality type:Deposit
Classification
Species:Alunite
Formula:KAl3(SO4)2(OH)6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Alunite data
Locality Data:Click here to view Xianling mining area, Changhua, Lin'an District, Hangzhou, Zhejiang, China
Data Identifiers
Mindat Occurrence Record ID:1887735
Long-form Identifier:1:3:1887735:5
GUID (UUID V4):0
References
Yuan, Ye; Yang, Jingfu; Wu, Shaokun; Shi, Miao (2026) Correlation Between Crystalline Order, Micro-Morphology, and Thermal Stability in “Heijin” (Black Gold) Seal Stone from Changhua, China: A Pyrite-Bearing Dickite Aggregate. Crystals, 16 (3). doi:10.3390/cryst16030165
 
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