Rocks, Minerals & Fossils

Unmounted opal First Image

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Unmounted opal First Image

Unmounted opal

Total Sales7 Sold

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2.90 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 13x10mm, 18XC (1 of 2)

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18.55 ct Oval Cabochon Rainbow Bluish-White Opal Gemstone (1 of 3)

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3.77 ct Fancy Cabochon Natural Multicolor Opal Triplet (1 of 3)

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3.37 Carats Rainbow Fire Welo Opal - Natural Ethiopian Gemstone 14.9x9.7x5.1mm, 2XH (1 of 2)

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3.37 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 13x9mm, 47XA (1 of 2)

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4.54 Carats Multicolor Opal Selection - Natural Welo Ethiopian Stones, 39XC (1 of 2)

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4.68 Carats Neon Grove Welo Opal - Natural Ethiopian Gemstone 14.9x9.8x6.6mm, 36XH (1 of 2)

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2.86 ct Natural Multicolor Opal Triplet, Oval Cabochon, Opaque, Australia (1 of 3)

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9.09 Carats Vivid Flame Welo Opal - Natural Ethiopian Gemstone 14.6x14.2x9.3mm, 54XH (1 of 2)

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4.77 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 17x9mm, 43XA (1 of 2)

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2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XC (1 of 2)

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5.88 Carats Oval Cabochon Opal - Natural Ethiopian Stone 14.7x8.1x7.3mm, 49XH (1 of 2)

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4.06 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 13x9mm, 49XA (1 of 2)

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2.88 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 13x11mm, 24XC (1 of 2)

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22.5ct Oval Cut Cabochon Bright Iridescence Multicolor Black Opal Gemstone (1 of 3)

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Unmounted opal (1 of 3)

Unmounted opal Unmounted opal featuring one irregular form opal cabochon displaying blue, green and orange play of color, measuring approximately 20.60 x 20.90 x 7.17 mm and weighs 20.41 cts.

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Unmounted opal doublets (1 of 1)

Unmounted opal doublets 118** doublets of assorted shapes and sizes, weighing in total approximately 135.20 carats

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Unmounted opal (1 of 2)

Unmounted opal Unmounted opal the unmounted oval crystal opal cabochon, exhibits a light gray body color, both broad and block patterns of blue-green to orange-red play-of-colors, measuring approximately 11.19 x 9.4

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A group of unmounted opal (1 of 1)

A group of unmounted opal A group of unmounted opalcomprising of 28 oval and round opal and fire opal cabochons, weighing from approximately 0.66 - 7.58 carats; weighing in total approximately: 59.95 carats

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A group of unmounted opals (1 of 1)

A group of unmounted opals A group of unmounted opals comprising 19 round and oval cabochons and one rectangular faceted opal, weighing from approximately 0.77 to 16.49 carats, all crazed and/or cracked; estimated total gem wei

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Unmounted Opal (1 of 4)

Unmounted Opal Unmounted OpalThe unmounted pear-shape opal cabochon, measuring approximately 24.1 x 13.51 x 10.55 mm, weighing 15.37 cts.

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AN UNMOUNTED OPAL cabochon cut, 7.33 carats. (1 of 1)

AN UNMOUNTED OPAL cabochon cut, 7.33 carats.AN UNMOUNTED OPAL cabochon cut, 7.33 carats.

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Unmounted opal (1 of 3)

Unmounted opal Unmounted opal the unmounted irregular tear drop shaped opal flat cabochon, measures approximately 19.80 x 13.30 x 2.93 mm, weighs 4.56 cts., displays broad flashes of green with some blue and orange

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Unmounted opal (1 of 2)

Unmounted opal Unmounted opalfeaturing one oval opal cabochon displaying flashes of blue, green and orange-red play of color, measuring approximately 24.64 x 14.18 x 4.57 mm and weighs 9.28 cts.

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A Collection of Unmounted Opals. (1 of 1)

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Unmounted Opal (1 of 3)

Unmounted Opal Unmounted OpalThe unmounted freeform-shape opal measuring approximately 30.59 x 16.30 x 6.49 mm, weighing 14.70 cts.

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An unmounted opal (1 of 1)

An unmounted opal the oval opal cabochon weighing 4.57 carats

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Unmounted Black Opal. (1 of 4)

Unmounted Black Opal.Unmounted Black Opal. The unmounted freeform black opal measuring approximately 21 x 14 mm and weighing approximately 10.0 cts.

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JEWELRY. Collection of Unmounted Carved Opals. (1 of 12)

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AN UNMOUNTED CARVED OPAL carved depicting a Lakota tribe chief, 111.05 carats. (1 of 1)

AN UNMOUNTED CARVED OPAL carved depicting a Lakota tribe chief, 111.05 carats.AN UNMOUNTED CARVED OPAL carved depicting a Lakota tribe chief, 111.05 carats.

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Unmounted White Opal. (1 of 4)

Unmounted White Opal.Unmounted White Opal. The unmounted freeform white opal measuring approximately 22.5 x 13 mm and weighing approximately 9.5 cts.

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Opal Unmounted Cabochon, 1.8g (1 of 5)

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(Lot of 2) Unmounted boulder opals (1 of 2)

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NO RESERVE - AN UNMOUNTED BOULDER OPAL cabochon cut, 12.65 carats, 2.3cm, 2.6g. (1 of 1)

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Opal, Unmounted, Rectangular 3 X 2cm 8g (1 of 6)

Opal, Unmounted, Rectangular 3 X 2cm 8g Opal, Unmounted, Rectangular 3 X 2cm 8g | Unusually large. Faint pink and green. Provenance: From the Estate of Prominent Collector, Leon Zielinski, Macomb County, MI

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3.2ct Opal, Unmounted 0.6g (1 of 8)

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Unmounted black opal (1 of 3)

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