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
Jiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, 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 Jiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
Data Identifiers
Mindat Occurrence Record ID:452625
Long-form Identifier:1:3:452625:4
GUID (UUID V4):0
Localities for Sericite in this Region
Zegulangbei deposit, Jiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
Nearest other occurrences of Sericite
7.1km (4.4 miles) ⓘZegulangbei deposit, Jiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
13.5km (8.4 miles) ⓘBayi-Muchang prospecting area, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
21.7km (13.5 miles) ⓘBangpu Mo-Cu-polymetallic deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
24.9km (15.5 miles) ⓘQulong Cu-(Mo) deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
26.1km (16.2 miles) ⓘZhibula Cu deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
37.7km (23.4 miles) ⓘLongruri Au-Sb deposit (Nongruri Au-Sb deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
43.1km (26.8 miles) ⓘShuangbujiere Cu deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
44.5km (27.6 miles) ⓘQiangdui Cu-Mo deposit, Dagzê Co. (Dazi Co.), Lhasa, Tibet, China
44.6km (27.7 miles) ⓘNuri Cu-Mo-W deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
48.0km (29.8 miles) ⓘLakang'e Cu deposit, Dagzê Co. (Dazi Co.), Lhasa, Tibet, China
References
Hou, Zengqian; Yang, Zhiming; Qu, Xiaoming; Meng, Xiangjin; Li, Zhenqing; Beaudoin, G.; Rui, Zongyao; Gao, Yongfeng; Zaw, Khin (2009) The Miocene Gangdese porphyry copper belt generated during post-collisional extension in the Tibetan Orogen. Ore Geology Reviews, 36 (1). doi:10.1016/j.oregeorev.2008.09.006
Zhenghua Hu, Juxing Tang, Feng Ding, Wenbao Zheng, Shilin Deng, Yi Yang, Zhi Zhang, Yiyun Wang, Bin Lin, and Shuai Ding (2011): A study of features, modes of occurrence and enrichment mechanism of silver-rich ore bodies in the Jiama copper-polymetallic deposit of Tibet. Acta Geoscientica Sinica 32(6), 668-680 (in Chinese with English abstract).
Huijuan Peng, Xiongwu Wang, Lin Hou, Zhipeng Qin, and Yun Zhou (2012): Mineral Deposits 31(3), 465-47
LENG, Q., TANG, J., ZHENG, W., LIN, B. and TANG, P. (2014), Geological Features of the Jiama Porphyry Deposit in Tibet. Acta Geologica Sinica
Xiong, Yan; Tang, Juxing; Tang, Pan; Li, Faqiao; Wang, Mengdie; Qi, Jing; Wang, Zhichao; Xu, Shuhui; Fu, Yuanhui; Wang, Wei; et al. (2025) LA-ICP-MS trace element geochemistry and sulfur isotopic compositions of sphalerite from Jiama deposit: Implications for its genesis and mineralization processes. Ore Geology Reviews, 186. 106856 doi:10.1016/j.oregeorev.2025.106856
 
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