Explore Opal Gemstone, Raw Opal, and more!

Largest Freeform Black Opal In The World Radiant with a rainbow of color and very close to twelve inches along the bottom, the huge carving weights 1.2 Kg or 6,000 carats, making it the largest free form black opal in the world.

Largest Freeform Black Opal In The World Radiant with a rainbow of color & very close to twelve inches along the bottom, the huge carving weights Kg or carats, making it the largest free form black opal in the world.

Hand-held Lightning Ridge Black Opal | Very expensive. That … | Flickr - Photo Sharing!

Ruby Gemstones Black Opal ❦ CHRYSTALS ❦ semi precious stones ❦ Good, Great, or just OK? Ruby Gemstones 20 Diamond-Alternative Gemstones for Engagement

Natural Blue Obsidian (raw) Obsidian is a very, very special stone.  It is not a true mineral.  It is actually a volcanic glass that forms when molten lava cools too rapidly to crystallize.  It consists mostly of Silicon Dioxide.

Natural Blue Obsidian (raw) Obsidian is a very special stone. It is not a true mineral. It is actually a volcanic glass that forms when molten lava cools too rapidly to crystallize. It consists mostly of Silicon Dioxide.

"Light of the Desert", the world's largest faceted Cerussite gem (898 carats), Royal Ontario Museum. Cerussite is one of the only gems with adamantine (diamond-like) luster.

"Light of the Desert", the world's largest faceted Cerussite gem carats), Royal Ontario Museum. Cerussite is one of the only gems with adamantine (diamond-like) luster. Very fragile. ITS THE ARKENSTONE!

Huge Ethiopian Welo Rough Opal Specimen Bright Fire RARE Find Must See 839 | eBay

HUGE Ethiopian Welo Rough Opal Specimen Bright Fire RARE FIND! MUST SEE! #839

huge rough ethiopian welo opal - bright colors - natural gemstone - on Etsy

Annual Spectrum Awards - each year the American Gem Trade Association celebrates the skills and achievements of gem cutters.  This Best of Show is by Dalan Hargrave and Stephanie Michael Young - a 125 carat spirographic cut mint green beryl with a concave pavilion and flat faceted crown.

2005 winner of the American Gem Trade Association's Best of Show Annual Spectrum award for gemcutting - a spirographic cut mint-green beryl with a concave pavilion and flat faceted crown by Dalan Hargrave and Stephanie Michael Young.

"Fordite, also known as Detroit agate, is old automobile paint which has hardened sufficiently to be cut and polished.[1] It was formed from the build up of layers of enamel paint slag on tracks and skids on which cars were hand spray-painted (a now automated process), which have been baked numerous times.[2] In recent times the material has been recycled as eco friendly jewelry"  I also know that the overspray build up stopped around 1972 and all of the fordite around is from old…

Fordite: an anthropocenic mineral "formed from the built up of layers of enamel paint slag on tracks and skids on which cars were hand spray-painted (a now automated process), which have been baked numerous times.

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