19.6ct Raw Uncut Ethiopian Opal black and in sunlight

and in sunlight

It has a deep green color with a good change in daylight

but according to a study done by Gem-A (The Gemmological Association of Great Britain)

Weight: 177ct

Measurement: 109mm x 70mm x 51mm

19.6ct Raw Uncut Ethiopian Opal black and in sunlightWelo 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. 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 this opal, the