51.86ct Amazing Natural Color Tanzanite Crystal museum 59ctMeasurements: 30

59ctMeasurements: 30

4mm x 16mm x 18

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

23ct    Color: Heated

but this piece would be ideal for cutting/carving a thin opal

51.86ct Amazing Natural Color Tanzanite Crystal museum 59ctMeasurements: 30This 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