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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Alkali Feldspar from
Langdu Mine (Langdou Mine), Shangri-La County, Dêqên Autonomous Prefecture, Yunnan, China


Locality type:Mine
Classification
Species:'Alkali Feldspar' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Alkali Feldspar data
Locality Data:Click here to view Langdu Mine (Langdou Mine), Shangri-La County, Dêqên Autonomous Prefecture, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:1916613
Long-form Identifier:1:3:1916613:1
GUID (UUID V4):0
References
Mo, Lei; Leng, Chengbiao; Gao, Hongze; Li, Kaixuan; Chen, Xilian; Wang, Yanjun; Dong, Tao; Luo, Wanquan; Yu, Haijun (2026) Geochemical Compositions of Zircon and Apatite from the Langdu Intrusions in the Zhongdian Arc: Implications for Porphyry–Skarn Cu Mineralization. Minerals, 16 (4). 413 doi:10.3390/min16040413
 
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