17.89ct Rough Ethiopian Opal metallic Measurement: 72mm x 60mm x

Measurement: 72mm x 60mm x 39mm

Measurement: 148mm x 99mm x 54mm

smokey quartz

and unheated tanzanite crystal

17.89ct Rough Ethiopian Opal metallic Measurement: 72mm x 60mm 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 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