23.1ct BiColor Natural Tanzanite Crystal china but this gemmy piece has

but this gemmy piece has been looked at by our cutter (Steve Moriarty) and he estimated that this crystal potentially holds 24 carats worth of facet grade cut gemstones inside

Locality: Ron Coleman Mine

This gem has been polished on the top to reveal more of the opal and scenic view to the rough on the opposite site

The last photo is an example of a group of Zambian chrome topaz crystals (this particular piece is shown somewhere in this group shot) displayed under natural light and under a long wave uv lamp to show the fluorescence seen in this material

Measurement: 20mm x 9

23.1ct BiColor Natural Tanzanite Crystal china but this gemmy piece hasThis Tanzanite Crystal Specimen comes direct from Tanzania. It has completely natural crystal faces and termination. This piece is a gem from our 2023 trip to Africa and it 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: 23. 8mm x 13. 9mm x 6. 7mm Weight: 23. 1ct Color: Natural Unheated