10.99ct Dark Natural Color Tanzanite Crystal MineralSpecimen This beautiful opal will fluoresce

This beautiful opal will fluoresce a bright green when exposed to a long wave UV light source

Very cool specimen with two calcite crystals sitting on top of the matrix

but rather do it with a dry cloth with no chemicals or cleaning agents

Weight: 20

10.99ct Dark Natural Color Tanzanite Crystal MineralSpecimen This beautiful opal will fluoresceThis beautiful Tanzanite Crystal has a deep natural unheated color and good looking crystal structure. A very gemmy mineral specimen. Watch the video to see a high resolution 360 view of this crystal. Locality: Merelani Hills, Tanzania Measurement: 24. 7mm x 9. 9mm x 4. 4mm Weight: 10. 99ct Color: Natural Unheated