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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Plagioclase from
Bada porphyry Cu–Au deposit, Markam Co. (Mangkang Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China


Locality type:Deposit
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Bada porphyry Cu–Au deposit, Markam Co. (Mangkang Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1506569
Long-form Identifier:1:3:1506569:4
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
15.8km (9.8 miles) ⓘRumei lamprophyres, Markam Co. (Mangkang Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China
33.6km (20.9 miles) ⓘMamupu Cu-Au deposit, Markam Co. (Mangkang Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China
85.4km (53.0 miles) ⓘGegongnong Cu-Au deposit (Gegonglong Cu-Au deposit), Gonjo Co. (Gongjue Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China
References
Yang, Fucheng; Li, Wenchang; Zhu, Xiangping; Liu, Jun; Jiang, Xiaojun; Yang, Houbin; Li, Yong (2022) Origin of the Bada porphyry Cu–Au deposit, eastern Tibet: Geology and isotope geochemistry (C–O–S–Pb) constraints. Ore Geology Reviews, 146. p.104935. doi:10.1016/j.oregeorev.2022.104935
Zhao, Xiaoyan; Zheng, Yuanchuan; Liu, Chang; Yang, Zhusen; Dong, Yanrui; Liu, Jinchao (2025) Magmatic characteristics and oxygen fugacity variations in the Eocene Yulong porphyry copper belt. Ore Geology Reviews, 178. doi:10.1016/j.oregeorev.2025.106459
 
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