18.2 carat "Shark Fin" Unheated Tanzanite Crystal slice the relatively low levels of

the relatively low levels of radiation (which vary from piece to piece) that are being emitted do not pose a health concern

This beautiful mineral specimen has a cluster of pink tanzanite with a green tremolite crystal growing through it

This beautiful Tanzanite Crystal has a lovely deep color and good looking crystal structure

This vibrant raw tanzanite crystal has a very transparent body with defined deeper color towards the base of the gem

Measurement: 29mm x 10

18.2 carat "Shark Fin" Unheated Tanzanite Crystal slice the relatively low levels ofThis beautiful Tanzanite Crystal has a deep natural unheated color and good looking crystal structure. Its a gemmy mineral specimen and to me looks like a sharks fin. A very interesting and cool crystal shape. Watch the video to see a high resolution 360 view of this crystal. Locality: Merelani Hills, Tanzania Measurement: 19. 2mm x 15. 6mm x 6. 9mm Weight: 18. 2ct Color: Natural Unheated