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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Phengite from
Zhalong Cu-Zn deposit, Ngamring Co. (Angren Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China


Locality type:Deposit
Classification
Species:Muscovite var: Phengite
Formula:KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phengite data
Locality Data:Click here to view Zhalong Cu-Zn deposit, Ngamring Co. (Angren Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1776320
Long-form Identifier:1:3:1776320:4
GUID (UUID V4):0
References
Wu, Zizhuo; Chen, Gen; Jiang, Zongyang; Zheng, Youye; Chen, Xin; Gao, Shunbao (2025) Diagnostic implications of shortwave-thermal infrared characteristics of typical alteration minerals for mineral exploration in continental volcanic arcs: A case study of the Zhalong Cu-Sn polymetallic deposit, Tibet. Ore Geology Reviews, 184. 106760 doi:10.1016/j.oregeorev.2025.106760
 
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