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

while it isn't the deepest green color

Measurement: 54mm x 45mm x 41mm

and shape of this is what makes this a great piece

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