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
West Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China


Locality type:Mine
Classification
Species:'Monazite Group' (not an IMA approved species)
Formula:REE(PO4)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Clinofergusonite-(Nd)1
Riebeckite1
Data
Mineral Data:Click here to view Monazite Group data
Locality Data:Click here to view West Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
Data Identifiers
Mindat Occurrence Record ID:780239
Long-form Identifier:1:3:780239:3
GUID (UUID V4):0
Nearest other occurrences of Monazite Group
3.1km (1.9 miles) ⓘAbandoned pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
7.8km (4.8 miles) ⓘMain pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
8.1km (5.0 miles) ⓘBayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
8.9km (5.6 miles) ⓘH9 litho-unit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
9.1km (5.7 miles) ⓘEast Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
12.1km (7.5 miles) ⓘEastern contact zone, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China
12.1km (7.5 miles) ⓘWu dyke, Dulahala, Bayan Obo mining district, Baotou City, Inner Mongolia, China
17.7km (11.0 miles) ⓘDaqingshan pegmatite, Darhan Muminggan United Banner (Da'erhan Maoming'an Lianheqi; Damaoqi), Baotou City, Inner Mongolia, China
52.5km (32.6 miles) ⓘHaoyaoerhudong Au deposit, Urad Middle Banner (Wulate Zhongqi), Bayannur City (Bayannao'er Prefecture), Inner Mongolia, China
References
Youbin Liang, Zhonglong Xu, and Zhiyin Hu (1981): Geology and Prospecting 17(9), 29-33
Wu, Xinyuan; Jin, Yongli; Jia, Yan; Liu, Yubao; Wei, Yu; Dou, Chiwei (2026) Preconcentration and Flotation Recovery of Rare-Earth Minerals from Iron Beneficiation Tailings of the Bayan Obo West Mine. Minerals, 16 (9). doi:10.3390/min16090879
Liu, Yanjiang; Dai, Shuang; Liu, Shang; Tang, Qingyan; Yang, Zhanfeng; Li, Qiang; Jin, Hailong (2026) Distribution and mineralogical features of niobium in the Bayan Obo deposit: Implications for hydrothermal metasomatic Nb enrichment. Ore Geology Reviews, 197. p.107532. doi:10.1016/j.oregeorev.2026.107532
 
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