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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Hornblende from
Duobuza Cu-(Au) deposit (Dobuzha Cu-(Au) deposit), Duolong ore field, Gêrzê Co., Ngari, Tibet, China


Locality type:Deposit
Classification
Species:Calcium Amphibole Subgroup var: Hornblende
Formula:AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende data
Locality Data:Click here to view Duobuza Cu-(Au) deposit (Dobuzha Cu-(Au) deposit), Duolong ore field, Gêrzê Co., Ngari, Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1893746
Long-form Identifier:1:3:1893746:2
GUID (UUID V4):0
References
Fu, Xuelian; Gan, Changyun; Li, She; Wang, Qin; Dong, Yujie; Xia, Hongwei; Zhang, Qi; Zhang, Rongkun; Liang, Xinjuan (2026) Mineralogical Characteristics of Magnetite in the Duobuza Porphyry Copper (Gold) Deposit and Their Geological Implications. Minerals, 16 (3). doi:10.3390/min16030288
Zhang, Qi; Yang, Huanhuan; Li, She; Wang, Qin; Dong, Yujie; Li, Hongwei; Yang, Chao; Gan, Changyun; Zhang, Rongkun; Fu, Xuelian; et al. (2026) Geochemistry of Metal Sulfides from the Duolong Porphyry Cu-Au Deposit, Tibet: Implications for the Mineralization Process. Minerals, 16 (5). doi:10.3390/min16050478
 
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