19.6ct Rough Opal Specimen peru This is an amazing and

This is an amazing and large amethyst crystal

but this particular piece has a moderate green glow in daylight

Weight: 317g

This particular opal does need to be stored moist to keep it from crazing

yet its thin overall

19.6ct Rough Opal Specimen peru This is an amazing andWelo 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