51.86ct Amazing Natural Color Tanzanite Crystal museum they are fairly gemmy in

they are fairly gemmy in certain areas and will show a color change of green (fluorescent light) to red (incandescent light) when the crystal is back lit

Weight: 166 grams

4mm x 16mm x 18

this is not a piece that would be ideal for cutting (rough)

23ct    Color: Heated

51.86ct Amazing Natural Color Tanzanite Crystal museum they are fairly gemmy inThis Tanzanite Crystal Specimen comes from Tanzania. It has completely natural crystal faces and termination. It has an amazing color for a natural and unheated tanzanite crystal. This piece would be a stunning addition to any mineral or Tanzanite collection. Get a better look at this piece by viewing it in the 360 degree video! Locality: Merelani Hills, Tanzania Measurement: 43mm x 10. 5mm x 10mm Weight: 51. 86ct Color: Unheated