Purveyors of Fine Specimens, Gem Crystals, And Rare Gemstones

Unheated bicolor gem crystal of tanzanite. These crystals are getting much harder to find as Tanzania has limited the export of rough. Fine termination and color, with all three pleochroic colors visible (red, blue and violet.) 40 carats. 2.3 x 1.6 x 0.9 cm.