16.5ct Bright Color Ethiopian Opal Rough sapphire Locality: Yunnan

Locality: Yunnan

which is quite clean internally (could be faceted) and deeply saturated

Measurements: 83mm x 63mm x 32mm

Locality: Peru

This Calcite specimen has large spikey crystals covering almost the entire matrix

16.5ct Bright Color Ethiopian Opal Rough sapphire Locality: YunnanWelo Ethiopian hydrophane opal mineral specimen with an amazing play of color. Not only that, but this piece is very fine cutting material that will have a great yield in a finished gem. 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 should never have any oils applied to it. Also, due to the hydrophane nature of