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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Magnetite 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:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite 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:644661
Long-form Identifier:1:3:644661:1
GUID (UUID V4):0
Localities for Magnetite 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 Magnetite
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
21.7km (13.5 miles) ⓘBangpu Mo-Cu-polymetallic deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
23.5km (14.6 miles) ⓘLangmujiaguo Cu 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
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
51.2km (31.8 miles) ⓘMingze-Chengba Cu-Au-Mo deposit, Sangri Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
52.4km (32.5 miles) ⓘChongmuda Cu-Au-Ag deposit, Sangri Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
57.5km (35.7 miles) ⓘZedang ophiolite, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), 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
Sun, Fei; Zhang, Jing-bo; Wang, Rui; Zhou, Li-min; Jeon, Heejin; Li, Yu-yao; Xue, Qing-wen; Liu, Si-yu; Guo, Na; Luo, Chen-hao; et al. (2022) Magmatic evolution and formation of the giant Jiama porphyry-skarn deposit in southern Tibet. Ore Geology Reviews, 145. p.104889. doi:10.1016/j.oregeorev.2022.104889
Shu, Q, Deng, J, Chang, Z, Wang, Q, Niu, X, Xing, K, Sun, X, Zhang, Z, Zeng, Q, Zhao, H, others (2024) Skarn zonation of the giant Jiama Cu-Mo-Au deposit in southern Tibet, SW China. Econ Geol. https://doi. org/10.5382/econgeo, 119 (1) 1-22 doi:10.5382/econgeo.5038
Zhao, Junfeng; Chen, Huayong; Xiao, Bing; Zhu, Yabo; Wang, Hao; Yang, Zhengkun; Du, Liang (2025) Linking Short-Wave Infrared Spectral Features of Tourmaline to Compositional Variations: Implications for Porphyry-Skarn Copper Mineralization. Economic Geology, 120 (2). 363-384 doi:10.5382/econgeo.5146
Wang, Mengdie; Tang, Juxing; Tang, Pan; Li, Faqiao; Qi, Jing; Wang, Zhichao; Xiong, Yan; Fu, Yuanhui; Yang, Zhengkun; Xu, Shuhui (2025) Multipulsed fluid evolution and tungsten prospecting potential of the giant Jiama skarn deposit, Tibet: Evidence from garnet geochemistry. Ore Geology Reviews, 184. 106752 doi:10.1016/j.oregeorev.2025.106752
 
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