18.46ct Rough Welo Ethiopian Opal Tourmaline Measurement: 91mm x 90mm x

Measurement: 91mm x 90mm x 82mm

Locality: YongChun

Locality: Purple Rain Pocket

This piece has a beautiful light minty green color and great crystal structure

but it is on the larger side of the miniature category

18.46ct Rough Welo Ethiopian Opal Tourmaline Measurement: 91mm x 90mm xWelo 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 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 should never have any oils applied to it. Also, due to the hydrophane nature of this opal, the weight