Gem077 - Zoisite var. Tanzanite - Merelani Hills, Umba Valley, Lelatema Mts, Arusha Region, Tanzania

Unheated, color-zoned gem crystal of tanzanite showing excellent trichroism. Undamaged and highly lustrous. Good gem crystals of tanzanite are proving very hard to obtain as Tanzania is now prohibiting the export of most gem rough. 3.9 x 1.3 x 0.9 cm.