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

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

Black Oval Cabochon Opal  Lightning Ridge, New South Wales, Australia  Even within the category of black opals, some are more sought-after than others. The present stone is such a piece—surpassed by few other opals in terms of its vibrancy of color—a true 5/5 for vividness and presence of color. Distinctive also is its "flagstone" pattern play-of-color: dominated by broad patches of electric blue, purple, green and orange at the edges and centering on a "windmill" pattern of fiery red…

Black Oval Cabochon Opal Lightning Ridge, New South Wales, Australia Even within the category of black opals, some are more sought-after than others. The present stone is such a piece—surpassed by few other opals in terms of its vibrancy of color—a true 5/5 for vividness and presence of color. Distinctive also is its "flagstone" pattern play-of-color: dominated by broad patches of electric blue, purple, green and orange at the edges and centering on a "windmill" pattern of fiery red…

Unique/ Classic Black Opal  Lightning Ridge, Australia   This unique and unusual cabochon of true black opal has been fashioned by the gem cutter in a lozenge-shaped outline. The body color is a true black, w/vibrant & vivid play-of-color in blues & greens, characteristic for the region

Unique/ Classic Black Opal Lightning Ridge, Australia This unique and unusual cabochon of true black opal has been fashioned by the gem cutter in a lozenge-shaped outline. The body color is a true black, w/vibrant & vivid play-of-color in blues & greens, characteristic for the region

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)

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)

Black Opal with red bars of mackerel sky pattern / Lightning Ridge, Australia

BLACK OPAL RED MACKEREL SKY GEM GRADE 19.45 CTS-dispaly only

VERY BRIGHT OPAL FROM LIGHTNING RIDGE AUSTRALIA - 3.40 CT - GEM GRADE ❦ CRYSTALS ❦ semi precious stones ❦ Kristall  ❦ Minerals ❦   Cristales ❦

Very bright opal from lr - 3.40 ct - gem grade

VERY BRIGHT OPAL FROM LIGHTNING RIDGE AUSTRALIA - 3.40 CT - GEM GRADE ❦ CRYSTALS ❦ semi precious stones ❦ Kristall ❦ Minerals ❦ Cristales ❦

black opals | ... opals, white opals, mexican fire opals, opal doublets, opal tripplets

black opals | ... opals, white opals, mexican fire opals, opal doublets, opal tripplets

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

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

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