Beautiful 33.70ct Ethiopian Opal Rough Specimen matrix while not very clean

while not very clean

Weight: 124g

Two contrasting greens show differently on each side of this beautiful malachite specimen

Weight: 47g

Weight: 356g

Beautiful 33.70ct Ethiopian Opal Rough Specimen matrix while not very cleanWelo 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. 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 weight can vary slightly with humidity. We consider this to be a