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Aegirine from
East Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China


Locality type:Mine
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorite6
Huanghoite-(Ce)5
Yangzhumingite4
Thorite4
Röntgenite-(Ce)2
Bastnäsite-(Ce)2
Aeschynite-(Nd)1
Bafertisite1
Dolomite1
Synchysite-(Ce)1
Baryte1
Data
Mineral Data:Click here to view Aegirine 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:458268
Long-form Identifier:1:3:458268:7
GUID (UUID V4):0
Nearest other occurrences of Aegirine
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
4.6km (2.8 miles) ⓘBayan Obo sludge lake, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
References
Tu Guangchi and Wang Kaiyi (1997) in: Pei Rongfu (ed.): Proceedings of the 30th International Geological Congress, Vol.9, VSP (Utrecht, Tokyo), pp. 83-90.
Smith, M.P. (2007): Lithos 93(1/2), 126-148.
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
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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