Did you know that 90% of the worlds Opal is found in Australia? You also might not realise that depending on which Opal mine you are at you will find very different types of Australian Opal. You can find black Opal in New South Wales, white Opal in Queensland and boulder and matrix Opal in South Australia and Queensland.
Rare Large Crystal Opal Mintabie, South Australia, Australia The opal deposits of Mintabie have long been depleted with no new production emerging. The present example was set aside many years ago by the miner who could not bear to part with it earlier. Simply contour polished to reveal its beauty, a vibrant electric green blue pinpoint play-of-color are seen to dance across the surface. Such a notable piece would, no doubt, create a fine pendant.
This beautiful boulder opal split From Queensland, Australia. Opal never ceases to amaze. Geology Wonders
Classic Black Crystal Opal Lightning Ridge, New South Wales, Australia This fine and plump double-cabochon black crystal opal is the ideally suited to be mounted as a ring. A five out of five in terms of vividness and presence of color, the gem abounds in vibrant green, blue, orange and hints of yellow, unpolished to the reverse side.
Exceptionally Fine and Large Boulder Opal Queensland, Australia This is an extraordinary boulder opal both in terms of its size but also due to the vividness and strength of its color. Contour polished to reveal the gem-quality blue and green seam of opalization upon its rich brown ironstone matrix. This is a large, yet wearable opal sure to make a "statement piece" pendant; and a durable one at that, due to the stability provided by the ironstone matrix.
A pair of art deco black opal and diamond pendent earrings, circa 1925 Each claw mounted drop-shaped black opal, suspended from an articulated surmount composed of collet mounted old brilliant-cut diamonds spaced by two millegrain-set single-cut diamond sections, length 4.4cm., cased by Hardy Bros. Ltd., Australia
Very Fine Black Opal from Lightning Ridge, Australia. Vivid and very "present", this fine gem opal displays predominantly red play-of-color with spectral broad flashes of green, orange, yellow and blue, with true black potch to the reverse of the oval cabochon. This is as fine a stone for the serious collector as can be desired. Weighing approximately 10.39 carats and measuring 16.5 x 13.0 x 6.5mm Estimate: US$ 60,000 - 80,000 (£39,000 - 52,000/€46,000 - 62,000)