- manganiferous mica
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марганцевожелезистая слюда
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Ilmenite — from Miask, Ilmen Mts, Chelyabinsk Oblast , Southern Urals, Urals Region, Russia. 4.5 x 4.3 x 1.5 cm General Category Oxide mineral … Wikipedia