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
Changtian W deposit, Maguan County, Wenshan, Yunnan, China


Locality type:Deposit
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 Changtian W deposit, Maguan County, Wenshan, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:1892382
Long-form Identifier:1:3:1892382:1
GUID (UUID V4):0
Nearest other occurrences of Sericite
3.2km (2.0 miles) ⓘChangtian W-Pb-Zn deposit, Maguan County, Wenshan, Yunnan, China
4.0km (2.5 miles) ⓘMaka W-Pb-Zn deposit, Malipo County, Wenshan, Yunnan, China
8.6km (5.4 miles) ⓘWazha W deposit, Malipo County, Wenshan, Yunnan, China
8.9km (5.5 miles) ⓘJinzhulin W-Sn deposit, Laojunshan granite pluton, Malipo County, Wenshan, Yunnan, China
9.0km (5.6 miles) ⓘKouha W-Sn deposit, Laojunshan granite pluton, Maguan County, Wenshan, Yunnan, China
10.0km (6.2 miles) ⓘNanwenhe W deposit, Malipo County, Wenshan, Yunnan, China
11.1km (6.9 miles) ⓘTiewan W-Sn deposit, Laojunshan granite pluton, Malipo County, Wenshan, Yunnan, China
14.0km (8.7 miles) ⓘNanyangtian W deposit, Malipo County, Wenshan, Yunnan, China
14.4km (8.9 miles) ⓘHuashitou W deposit, Malipo County, Wenshan, Yunnan, China
14.4km (9.0 miles) ⓘNanlao W-Cu deposit, Maguan County, Wenshan, Yunnan, China
References
Tang, Zi-Chao; Zhao, Xiao-Yu; Deng, Ming-Guo; Li, Wen-Chang; Chen, Ying-Hua; Zhang, Qing-Ge; Zhang, Ding-Cai (2026) Scheelite geochemistry constrains the origin of W mineralization in the Laojunshan district, Southeast Yunnnan, China: Comparative studies from the Nanyangtian, Changtian and Saxi deposits. Ore Geology Reviews, 190. 107179 doi:10.1016/j.oregeorev.2026.107179
 
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