18.2 carat "Shark Fin" Unheated Tanzanite Crystal Porphyry yellow and greens and the

yellow and greens and the other is more of a multicolor that includes some blues

it is pretty included on the inside

some crystals will have a stronger fluorescence than others

Measurement: 130mm x 104mm x 89mm

Measurement: 74mm x 50mm x 35mm

18.2 carat "Shark Fin" Unheated Tanzanite Crystal Porphyry yellow and greens and theThis 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