51.31ct Amazing Natural Unheated Tanzanite Crystal purple This piece is pictured under

This piece is pictured under a longwave UV flashlight (bright green glow)

We consider this to be a Extra Large Cabinet sized mineral specimen (XLC)

our cutter considered this a definite candidate to be a cutter

Measurements: 64mm x 50mm x 28mm

Measurements: 98mm x 38mm x 30mm

51.31ct Amazing Natural Unheated Tanzanite Crystal purple This piece is pictured underThis gorgeous Tanzanite Crystal displays a magnificent deep blue and violet hue complemented by its splendid termination. At the base lies a translucent gemmy window, which exhibits a grayish color. When exposed to a polarized light source, such as a computer screen, the window's color shifts to a vivid yellow orange. Audiences will be awed by this mineral's exceptional beauty watch the video to get a full 360 view. Mined from the Merelani Hills,