14ct Unique Ethiopian Opal Rough mineral This vibrant yellow color came

This vibrant yellow color came after the heat treatment and you can see what it originally looked like before heating in the photo below

Measurement: 49mm x 40mm x 18mm

and shape of this is what makes this a great piece

Amazing deep colored azurite crystals fill the inner cavity of this beautifully colored mineral specimen

It displays the same daylight fluorescent characteristic (grey-green to bluish green in daylight) as the well known Rogerley material

14ct Unique Ethiopian Opal Rough mineral This vibrant yellow color cameWelo Ethiopian hydrophane opal mineral specimen with an amazing play of color. Not only that, but what makes this an interesting specimen, is the separation of color throughout the piece. Also, this piece is very fine cutting material that will have a good yield. Watch Video to see the play of color and full view of this opal. We recommend that this opal material NOT be submerged in water (unless it is being cut, water will keep it cool), and it