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ATHENA

MINERALOGY

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Mineral: MIANNINGITE
Formula: (▢,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2(Ti,Fe3+)18O38
Crystal System: Rhombohedral (Trigonal)
Group: Crichtonite group
IMA Number: 2014-072
References: MM 79 (2015), 51-58; EJM 29 (2017), 331
Type Locality: Baozi Hill, near Maoniuping REE mine, Mianning county, Sichuan Province, China
Comments: ▢ = vacancy

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