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MINERALOGY

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Mineral: NIKMELNIKOVITE
Name: Никмельниковит
Formula: Ca12Fe2+Fe3+3Al3(SiO4)6(OH)20
Crystal System: Rhombohedral (Trigonal)
Group: Garnet supergroup
IMA Number: 2018-043
References: Doklady Earth Sciences 488 (2019),1200; MM 85 (2021), 620
Type Locality: Kovdor Massif, Murmansk Oblast, Kola peninsula, Russia

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