Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Dolomite from
East Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Bafertisite1
Aegirine1
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view East Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
Data Identifiers
Mindat Occurrence Record ID:458272
Long-form Identifier:1:3:458272:4
GUID (UUID V4):0
Nearest other occurrences of Dolomite
0.8km (0.5 miles) ⓘDong Jielegele ore body, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
1.1km (0.7 miles) ⓘH9 litho-unit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
1.2km (0.7 miles) ⓘBayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
1.4km (0.9 miles) ⓘMain pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
3.1km (1.9 miles) ⓘEastern contact zone, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
3.5km (2.2 miles) ⓘWu dyke, Dulahala, Bayan Obo mining district, Baotou City, Inner Mongolia, China
6.0km (3.7 miles) ⓘAbandoned pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
9.1km (5.7 miles) ⓘWest Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
85.1km (52.9 miles) ⓘJiashengpan Pb-Zn deposit, Urad Middle Banner (Wulate Zhongqi), Bayannur City (Bayannao'er Prefecture), Inner Mongolia, China
91.8km (57.1 miles) ⓘUnnamed Fe deposit, Guyang County, Baotou City, Inner Mongolia, China
References
Kuifeng Yang, Hongrui Fan, Fangfang Hu, Xianghui Li, Jianyong Liu, Yonggang Zhao, Shuang Liu, and Kaiyi Wang (2007): Acta Petrologica Sinica 23(5), 1018-1022
Miyawaki, Ritsuro; Shimazaki, Hidehiko; Shigeoka, Masako; Yokoyama, Kazumi; Matsubara, Satoshi; Yurimoto, Hisayoshi (2011) Yangzhumingite, KMg2.5Si4O10F2, a new mineral in the mica group from Bayan Obo, Inner Mongolia, China. European Journal of Mineralogy, 23 (3). 467-473 doi:10.1127/0935-1221/2011/0023-2098
Liu, Taotao, Song, Wenlei, Kynicky, Jindrich, Yang, Jinkun, Chen, Qian, Tang, Haiyan (2022) Automated Quantitative Characterization REE Ore Mineralogy from the Giant Bayan Obo Deposit, Inner Mongolia, China. Minerals, 12 (4) 426 doi:10.3390/min12040426
Sun, Qing; Li, Xian-Hua (2026) Niobium and heavy rare earth element mineralization in the Bayan Obo deposit, China: Insights from aeschynite mineralogy, geochemistry, and geochronology. Geoscience Frontiers, 17 (6). p.102405. doi:10.1016/j.gsf.2026.102405
Yang, Bo; Xue, Yuan; Yang, Li; Sun, Ningyue; Li, Guowu; Yu, Junfang; Yan, Guoying; Liu, Jianyong; Zhao, Yonggang; Meng, Wenxiang; et al. (2026) Xianhuaite-(Ce), K 2 CeNb 5 O 15 , a new niobium mineral from the Bayan Obo deposit, China. European Journal of Mineralogy, 38 (4). p.449-459. doi:10.5194/ejm-38-449-2026
 
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