19.33ct Raw Ethiopian Opal malachite I loved how the crystals

I loved how the crystals on the front side were larger and spread across the host rock

but this particular piece does have an intense green glow in daylight

this is a large and beautiful piece that comes from a new find in Madagascar

Locality: Brazil

This piece is pictured under a longwave UV flashlight (bright green glow) and in indoor lighting

19.33ct Raw Ethiopian Opal malachite I loved how the crystalsWelo 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