Zoisite Var. Tanzanite
Merelani Hills, Arusha, Tanzania
Thumbnail, 2.3 x 0.9 x 0.8 cm
This is truly a world class thumbnail specimen of zoisite var. tanzanite. The crystal is glassy and gemmy and limpid, while exhibiting superb trichroism of blue, purple and pink colors down different axes. It is also pristine. The gem weight is 20.55 carats.