17.6ct Rough Ethiopian Opal new Our gem cutter estimates that

Our gem cutter estimates that it could potentially cut a gem that would weigh somewhere between 90-140ct

From what I understand

Locality: Inner Mongolia

Weight: 666g

but this piece is very fine cutting material that will have a great yield

17.6ct Rough Ethiopian Opal new Our gem cutter estimates thatWelo 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