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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Calcite from
Demingding Mo-Cu deposit, Gyaca Co. (Jiacha Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China


Locality type:Deposit
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Demingding Mo-Cu deposit, Gyaca Co. (Jiacha Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1662709
Long-form Identifier:1:3:1662709:3
GUID (UUID V4):0
Nearest other occurrences of Calcite
43.5km (27.1 miles) ⓘLongruri Au-Sb deposit (Nongruri Au-Sb deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
60.3km (37.4 miles) ⓘYaguila Pb-Zn-Mo deposit, Gongbo'gyamda Co. (Gongbujiangda Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China
65.5km (40.7 miles) ⓘLuobusha ophiolite ("Luobusa ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
74.4km (46.2 miles) ⓘBangpu Mo-Cu-polymetallic deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
78.7km (48.9 miles) ⓘDongzhongla Pb-Zn deposit, Gongbo'gyamda Co. (Gongbujiangda Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China
79.2km (49.2 miles) ⓘJiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
80.4km (50.0 miles) ⓘPanan W deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
81.0km (50.3 miles) ⓘMengya'a Pb-Zn deposit, Lhari Co. (Jiali Co.), Nagqu, Tibet, China
84.6km (52.6 miles) ⓘBangbu Au deposit, Gyaca Co. (Jiacha Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
85.4km (53.1 miles) ⓘChongmuda Cu-Au-Ag deposit, Sangri Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
References
Shi, Sudong, Chen, Shuyuan, Luo, Sangjiancuo, Ren, Huan, Jiang, Xiaojia (2024) Petrogenesis and Metallogenic Significance of the Demingding Mo-Cu Porphyry Deposit in the Gangdese Belt, Xizang: Insights from U-Pb and Re-Os Geochronology and Geochemistry. Minerals, 14 (12). doi:10.3390/min14121232
Zhang, Jia-Jun; Xie, Chao-Ming; Hao, Yu-Jie; Gao, Zhong-Wei; Shi, Zhe; Duan, Meng-Long; Chen, Hong-Chan; Bai, Xi-Tai; Xu, Ming-Wei (2026) Study on the petrogenic and metallogenic mechanisms of the Demingding Mo-Cu deposit in the eastern Gangdese: Implications for the eruption and mineralization of the Miocene adakitic magmatism. Ore Geology Reviews, 196. p.107448. doi:10.1016/j.oregeorev.2026.107448
 
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