Large unheated Tanzanite crystal with deep blue-violet color that becomes especially intense when backlit. It’s in remarkably great shape for a crystal weighing almost 1/4 kilo. There is some thin calcite on the surface that could be removed, however it also adds character
Merelani Hills, Tanzania
8 cm x 4 cm x 3.7 mm / 214.33 grams
Estimate: $8500 - $9500
