Hibonite tanzanite attractive longitudinal stripes and very

attractive longitudinal stripes and very good lustre

Only rarely do the crystals break away from the matrix undamaged

these pieces often command four-figure prices on the market

are quite well formed and have a good luster

Hibonite tanzanite attractive longitudinal stripes and veryWe were able to acquire a large lot of excellent crystals of this rare mineral. The partially hexagonal crystals are mostly completely black and exhibit an attractive star shaped luster on the crystal faces, reminiscent of trapiche crystals. Medium sized hexagonal crystal, also with typical trapiche like reflections. Partially grayish coating on the surfaces.