Fire Opal – Natural, Faceted, Orange, 0.4 ct
10k white gold ring with 0.4-ct oval-cut fire opal and diamond accents. Photo courtesy of liveauctioneers.com and US Jewelry Liquidations.
10k white gold ring with 0.4-ct oval-cut fire opal and diamond accents. Photo courtesy of liveauctioneers.com and US Jewelry Liquidations.
Very fine, cut Ethiopian opals, ranging in size from 4.9 to 6.72 cts. © All That Glitters. Used with permission.
The green play of color in a fire opal is certainly eye-catching. “Opale (Shewa – Ethiopie),” photo by Géry Parent. Licensed under CC By-SA…
Although these cabbed opals all came from the same piece of rough, they exhibit different characteristics. © All That Glitters. Used with permission.…
hyalite opal under UV light. Images © Rob Lavinsky, www.iRocks.com. Used with permission.
hyalite opal – normal light. Images © Rob Lavinsky, www.iRocks.com. Used with permission.
This gray opal shows a wide range of hues in its play of color. “Precious opal (Bulldog Shale, Lower Cretaceous; Coober Pedy Opal Field, South…