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ATHENA

MINERALOGY

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Mineral: SERGEVANITE
Name: Сергеванит
Formula: Na15(Ca3Mn3)(Na2Fe)Zr3Si26O72(OH)3.H2O
Crystal System: Rhombohedral (Trigonal)
Group: Eudialyte group
IMA Number: 2019-057
References: MM 83 (2019), 887; EJM 32 (2020), 1
Type Locality: Karnasurt mine dump, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Kola peninsula, Russia

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