18.4ct Dark Base Rough Ethiopian Opal Crystal Multiple green tourmaline crystals cover

Multiple green tourmaline crystals cover this piece of quartz

These fossil ammolites are around 70 million years old & these particular ammonites are among the few sources that produces such spectacular brightly colored specimens and gem quality piece

Measurement: 57mm x 53mm x 42mm

including at the root and a good size

and a good size

18.4ct Dark Base Rough Ethiopian Opal Crystal Multiple green tourmaline crystals coverWelo 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