18.4ct Dark Base Rough Ethiopian Opal Crystal including at the root and

including at the root and a good size

Measurement: 137mm x 89mm x 14mm

Measurements: 9

Measurements: 59mm x 55mm x 41mm

Multiple green tourmaline crystals cover this piece of quartz

18.4ct Dark Base Rough Ethiopian Opal Crystal including at the root 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