13ct Hydrophane Opal Rough Specimen cavansite with a beautiful second termination

with a beautiful second termination on the side

Well formed and natural color amethyst crystals across the face

Measurement: 74mm x 63mm x 39mm

as they are two different minerals

13ct Hydrophane Opal Rough Specimen cavansite with a beautiful second terminationWelo 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