Black Opal is Australia’s national gemstone, and black opal is the rarest and most valuable of its kind, at times selling at prices that rival the best diamonds. The stone must have a rich, black background, but base colors come in all shades of gray, which is why opinions vary on what is a “true” black opal. Found in the Lightning Ridge area in northwestern New South Wales, black opals are natural, solid stones that absorb scattered white light, giving it brilliant spectral c
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.
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