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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Monazite Group from
Main pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China


Locality type:Pit
Classification
Species:'Monazite Group' (not an IMA approved species)
Formula:REE(PO4)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Monazite Group data
Locality Data:Click here to view Main pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
Data Identifiers
Mindat Occurrence Record ID:1895405
Long-form Identifier:1:3:1895405:2
GUID (UUID V4):0
Nearest other occurrences of Monazite Group
0.4km (0.3 miles) ⓘBayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
1.4km (0.9 miles) ⓘH9 litho-unit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
1.4km (0.9 miles) ⓘEast Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
4.5km (2.8 miles) ⓘEastern contact zone, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
4.7km (2.9 miles) ⓘAbandoned pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
4.8km (3.0 miles) ⓘWu dyke, Dulahala, Bayan Obo mining district, Baotou City, Inner Mongolia, China
7.8km (4.8 miles) ⓘWest Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
13.9km (8.6 miles) ⓘDaqingshan pegmatite, Darhan Muminggan United Banner (Da'erhan Maoming'an Lianheqi; Damaoqi), Baotou City, Inner Mongolia, China
60.0km (37.3 miles) ⓘHaoyaoerhudong Au deposit, Urad Middle Banner (Wulate Zhongqi), Bayannur City (Bayannao'er Prefecture), Inner Mongolia, China
References
Xue, Yuan; Sun, Ningyue; Li, Guowu; Hao, Jinhua; Liu, Peng; Song, Wenlei; Li, Xianhua; Shen, Junfeng; Yang, Li; Wang, Zhaojing; et al. (2026) The first barium-HREE fluorocarbonate new mineral bayanoboite-(Y), Ba2Y(CO3)2F3, from Bayan Obo deposit, Inner Mongolia, China. American Mineralogist, 111 (9). p.1361-1374. doi:10.2138/am-2025-10008
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
 
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