24.77ct Ethiopian Opal Rough Specimen Quartz Cluster Measurement: 145mm x 88mm x

Measurement: 145mm x 88mm x 10mm

Locality: Jiangxi

Age:  82 to 66 million years ago during the Campanian and Maastrichtian stages of the Late Cretaceous

Measurement: 22mm x 18mm x 18mm

Weight: 21

24.77ct Ethiopian Opal Rough Specimen Quartz Cluster Measurement: 145mm x 88mm 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. 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