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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Sericite from
Haoping Nb–REE-mineralized trachyte, Ziyang County, Ankang, Shaanxi, China


Locality type:Prospect
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Haoping Nb–REE-mineralized trachyte, Ziyang County, Ankang, Shaanxi, China
Data Identifiers
Mindat Occurrence Record ID:1989795
Long-form Identifier:1:3:1989795:8
GUID (UUID V4):0
Nearest other occurrences of Sericite
43.1km (26.8 miles) ⓘHuangbaishuwan Ba deposit, Ziyang County, Ankang, Shaanxi, China
55.0km (34.2 miles) ⓘShiti Mine, Hanbin District, Ankang, Shaanxi, China
55.8km (34.7 miles) ⓘWangzhuang Au Mine, Hanbin District, Ankang, Shaanxi, China
65.3km (40.6 miles) ⓘHonghuaping Pb-Zn deposit, Zhenxun Pb-Zn ore field (Zhen'an-Xunyang Pb-Zn ore field), Xunyang County, Ankang, Shaanxi, China
75.7km (47.0 miles) ⓘHongjiapin Fe-(Ti) occurrence, Pingli County, Ankang, Shaanxi, China
77.3km (48.0 miles) ⓘShenhe Mine, Xunyang County, Ankang, Shaanxi, China
79.2km (49.2 miles) ⓘXinjian, Ningshan pegmatite district, Ningshan County, Ankang, Shaanxi, China
79.3km (49.3 miles) ⓘSirengou Pb-Zn deposit, Zhenxun Pb-Zn ore field (Zhen'an-Xunyang Pb-Zn ore field), Xunyang County, Ankang, Shaanxi, China
80.4km (50.0 miles) ⓘYaojian Au-Hg-Sb deposit, Jinlongshan Au ore field, Zhen'an County, Shangluo, Shaanxi, China
80.5km (50.0 miles) ⓘQiuling Au-Hg-Sb deposit, Jinlongshan Au ore field, Zhen'an County, Shangluo, Shaanxi, China
References
Shi, Rui; Wang, Gang; Zhang, Hongrui; Huang, He (2026) Petrogenesis of Nb–REE-mineralized trachyte in Ziyang County, South Qinling: insights from integrated geochronology, geochemistry, and Sr–Nd–Hf–O isotopes. Ore Geology Reviews, 197. p.107507. doi:10.1016/j.oregeorev.2026.107507
 
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