From : Ilmen mountains, Ural, Russia
Well develloped hexagonal shaped greyish-blue to deep blue Sapphire crystal with very little matrix consisting of fieldspar and Muscovite. The typical triangular striated surface shows a nice lustre.The Ilmen mountains are a famous Russian locality - typelocality for Ilmenite - and parts of it are natural protected area now.
Dimensions : 3.7 x 3 x 1.3 cm
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