Eudialyte

Eudialyte is a sodium-rich zirconosilicate with varying amounts of cations including calcium (Ca), iron (Fe), manganese (Mn),nobium (Nb), tantalum (Ta), Ytrium, (Y) and Titanium (Ti ). It rarely crystalizes and is sometimes referred to as almandine spar. This specimen comes from the Chester Lemansky collection.

Locality: Kovdor, Kola Peninsula, Murmanskaya Oblast, Russia