25.31ct Bi-Color Tanzanite Crystal other You can see in the

You can see in the photos the slight daylight fluorescence outside (blue towards the outer edges of the fluorite crystals) and another photo under indoor LED lighting

Beautiful raw tanzanite crystal resembles a fin or sail in this neat crystal habit

60ctMeasurements: 21mm x 7mm x 5

Weight: 388g

but a good mix of yellow

25.31ct Bi-Color Tanzanite Crystal other You can see in theAt 25. 31 carats and measuring 31mm x 10mm x 9mm, this exquisite tanzanite crystal from Tanzania exhibits a distinctive shape with a deep blue violet hue transitioning to a pale yellow at one end, making it a remarkable example of its species. This natural, unheated piece is a true rarity.