Hailing from Merelani, Tanzania, this extraordinary Tanzanite crystal is both unheated and untreated weighing an impressive 218.82 cts. (43.76 grams). With dimensions of 43x24x18 mm. This remarkable gem was prominently featured in New Era Gems advertisements and on our banner. As part of an old collection, we estimate it was mined approximately 25 years ago. Now available at New Era Gems.