29.48ct Amazing Intense Color Ethiopian Opal Rough Heulandite This hyalite opal specimen not

This hyalite opal specimen not only will glow under an artificial UV lighting source

These photos were taken close under an incandescent light bulb

2mm x 10mm

Measurements: 21mm x 11mm x 9mm

The glue sticks are placed on this specimen as stilts to stand it upright

29.48ct Amazing Intense Color Ethiopian Opal Rough Heulandite This hyalite opal specimen notThis top quality rough Ethiopian opal mineral specimen has an amazing play of color. This gorgeous piece has a huge surface area of the opal that makes it a piece that will display very well. Not only that, but this piece is very fine cutting material that will have a great yield. We recommend that this opal material NOT be submerged in water (unless it is being cut, water will keep it cool), and it should never have any oils applied to it. Also, due