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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Chlorite Group from
Heidaigou Mine, Jungar coal field (Zhunge'er coal field), Jungar Banner (Zhunge'er Co.), Ordos City (E'erduosi Prefecture), Inner Mongolia, China


Locality type:Mine
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Heidaigou Mine, Jungar coal field (Zhunge'er coal field), Jungar Banner (Zhunge'er Co.), Ordos City (E'erduosi Prefecture), Inner Mongolia, China
Data Identifiers
Mindat Occurrence Record ID:1787096
Long-form Identifier:1:3:1787096:6
GUID (UUID V4):0
References
Liu, Xiangyang; Zhang, Yanbo; Zhao, Wei; Wu, Jian; Bai, Jian (2025) Modes of Occurrence of Critical Elements (Li-Ga-Nb-Zr-REE) in the Late Paleozoic Coals from the Jungar Coalfield, Northern China: An Approach of Sequential Chemical Extraction. Minerals, 15 (9). doi:10.3390/min15090889
 
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