6cry 1324

11.64ct Gemmy Bi-Color Tanzanite Crystal

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This stunning tanzanite crystal has a glassy surface that shows the gemmy colors within. This crystals color is most saturated towards the base and gets much lighter twards the termination, so it shows as a bi-color! This beautiful raw tanzanite crystal weighs 11.64 carats and measures 19.6mm x 10.5mm x 7mm.  We believe that this tanzanites color has been enhanced by heating.