19ct Welo Opal Rough Specimen black Tanzania Measurement: 17

Tanzania    Measurement: 17

Tanzania    Measurement: 50

Locality: Fujian

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

19ct Welo Opal Rough Specimen black Tanzania Measurement: 17Welo 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 halfway through 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