Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Sericite from
Laozhaiwan Au Mine, Guangnan County, Wenshan, Yunnan, China


Locality type:Mine
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 Laozhaiwan Au Mine, Guangnan County, Wenshan, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:737920
Long-form Identifier:1:3:737920:8
GUID (UUID V4):0
Nearest other occurrences of Sericite
50.9km (31.6 miles) ⓘDixu Au deposit, Guangnan County, Wenshan, Yunnan, China
62.8km (39.0 miles) ⓘBielidong Au deposit, Tangshang ore district, Guangnan County, Wenshan, Yunnan, China
63.6km (39.5 miles) ⓘBieli Au deposit, Tangshang ore district, Guangnan County, Wenshan, Yunnan, China
68.8km (42.7 miles) ⓘKuzhubao Au deposit (Gedang Au deposit), Funing County, Wenshan, Yunnan, China
77.5km (48.2 miles) ⓘNaping Au deposit, Funing County, Wenshan, Yunnan, China
77.9km (48.4 miles) ⓘBashishan Au deposit (Piaosi Au deposit), Funing County, Wenshan, Yunnan, China
78.6km (48.9 miles) ⓘHongshiyan Pb-Zn-Cu deposit, Xichou County, Wenshan, Yunnan, China
82.9km (51.5 miles) ⓘDongha Fe deposit, Banlun magnetite belt, Funing County, Wenshan, Yunnan, China
87.4km (54.3 miles) ⓘGaolong Au Mine, Tianlin Co., Baise, Guangxi, China
87.8km (54.5 miles) ⓘKunhong Fe deposit, Banlun magnetite belt, Funing County, Wenshan, Yunnan, China
References
Mingcong Wang, Zhuxia Li, Yanlin Mao, and Peihua Shu (2011): Geology and Exploration 47(2), 261-267
Mingcong Wang (2011): Gold Science and Technology 19(6), 40-43
Yang, Fucheng; Romer, Rolf L.; Li, Wenchang; Jiang, Xiaojun; Kroner, Uwe; Deng, Mingguo (2026) Former long-lived passive margins – Cradles for major Sn, W, and Au provinces. Ore Geology Reviews, 193. p.107316. doi:10.1016/j.oregeorev.2026.107316
 
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