what-is-a-boulder-opal

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Boulder Opal Pendant
Boulder Opal Pendant

$63.99

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Boulder Opal Pendant
Boulder Opal Pendant

$63.99

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Boulder Opal Pendant
Boulder Opal Pendant

$95.99

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Andy's Gem Garage Sale - Australian Boulder Opal #11 2 pieces - 2.35cts FIRE!!!
Andy's Gem Garage Sale - Australian Boulder Opal #11 2 pieces - 2.35cts FIRE!!!

$42.99

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Boulder Solid Opal 14.25 TCW 100% Natural Solid Ready To Set in Jewelry B1929
Boulder Solid Opal 14.25 TCW 100% Natural Solid Ready To Set in Jewelry B1929

$20.00

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GEM COLLECTOR Boulder Opal (8.50 x 6.50mm) (A)
GEM COLLECTOR Boulder Opal (8.50 x 6.50mm) (A)

$19.99

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Natural Boulder Opal, 6.38 carat
Natural Boulder Opal, 6.38 carat

$60.00

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Boulder Opal (Lot)  29g #1027
Boulder Opal (Lot)  29g #1027

$20.00

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Boulder Opal 12 Cts
Boulder Opal 12 Cts

$10.00

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Andy's Gem Garage Sale - Australian Boulder Opal 4 pieces - 9.95cts FIRE!!!
Andy's Gem Garage Sale - Australian Boulder Opal 4 pieces - 9.95cts FIRE!!!

$72.99

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Boulder Solid Opal 17.75 TCW 100% Natural Solid Ready To Set in Jewelry B1827
Boulder Solid Opal 17.75 TCW 100% Natural Solid Ready To Set in Jewelry B1827

$20.00

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Boulder Solid Opal 32.10 TCW 100% Natural Solid Ready To Set in Jewelry B1940
Boulder Solid Opal 32.10 TCW 100% Natural Solid Ready To Set in Jewelry B1940

$10.00

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boulder opal, blue veins, interesting pattern, 33 carats, 30 x 17 x 7 mm
boulder opal, blue veins, interesting pattern, 33 carats, 30 x 17 x 7 mm

$59.95

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Boulder Opal With Amazing River Of Bright Vivid Colors
Boulder Opal With Amazing River Of Bright Vivid Colors

$140.00

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boulder opal, bright blue veins, 29 carats, 26 x 17 x 8 mm
boulder opal, bright blue veins, 29 carats, 26 x 17 x 8 mm

$69.95

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BOULDER OPAL Big 8.9oz
BOULDER OPAL Big 8.9oz

$55.00

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Boulder Solid Opal 52.05 TCW 100% Natural Solid Ready To Set in Jewelry B1939
Boulder Solid Opal 52.05 TCW 100% Natural Solid Ready To Set in Jewelry B1939

$10.00

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6.8tcw Koroit Boulder Opal pair, 2 flashy pieces Jewelry Crafting Fun Australian
6.8tcw Koroit Boulder Opal pair, 2 flashy pieces Jewelry Crafting Fun Australian

$29.74

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Natural Boulder Opal, 16.35 carat
Natural Boulder Opal, 16.35 carat

$85.00

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Boulder Solid Opal 25.60 TCW 100% Natural Solid Ready To Set in Jewelry B1860
Boulder Solid Opal 25.60 TCW 100% Natural Solid Ready To Set in Jewelry B1860

$35.00

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Natural Boulder Opal, 4.03 carat
Natural Boulder Opal, 4.03 carat

$55.00

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Boulder Opal 211.1 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1926
Boulder Opal 211.1 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1926

$35.00

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Boulder Solid Opal 5.60 TCW 100% Natural Solid Ready To Set in Jewelry B1817
Boulder Solid Opal 5.60 TCW 100% Natural Solid Ready To Set in Jewelry B1817

$30.00

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Natural Boulder Opal, 5.11 carat
Natural Boulder Opal, 5.11 carat

$85.00

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Australian Boulder Opal, Display Piece, 12.9ct, 15x14x9mm, Blue Color, Top Shelf
Australian Boulder Opal, Display Piece, 12.9ct, 15x14x9mm, Blue Color, Top Shelf

$23.21

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Boulder Solid Opal 4.50 TCW 100% Natural Solid Ready To Set in Jewelry B1848
Boulder Solid Opal 4.50 TCW 100% Natural Solid Ready To Set in Jewelry B1848

$20.00

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Boulder Solid Opal 2.70 TCW 100% Natural Solid Ready To Set in Jewelry B1742
Boulder Solid Opal 2.70 TCW 100% Natural Solid Ready To Set in Jewelry B1742

$20.00

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Natural Boulder Opal, 11.29 carat
Natural Boulder Opal, 11.29 carat

$115.00

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235ct 10pc. Assorted Australia Boulder Opal Some Veins/Fires Very Gorgeous
235ct 10pc. Assorted Australia Boulder Opal Some Veins/Fires Very Gorgeous

$149.00

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Stunning Natural Boulder Opal, Fancy Shape, Multi Flashy Fire, Boulder Opal.
Stunning Natural Boulder Opal, Fancy Shape, Multi Flashy Fire, Boulder Opal.

$53.70

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144ct 16pc. Assorted Australia Boulder Opal Some Veins/Fires Very Gorgeous
144ct 16pc. Assorted Australia Boulder Opal Some Veins/Fires Very Gorgeous

$99.00

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Boulder Opal
Boulder Opal

$38.99

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Boulder Opal, Exotic Pattern, Blue Edges, 18.2x13.1x5.7 mm, 11.10ct weight,
Boulder Opal, Exotic Pattern, Blue Edges, 18.2x13.1x5.7 mm, 11.10ct weight,

$22.31

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Boulder Solid Opal 8.50 TCW 100% Natural Solid Ready To Set in Jewelry B1889
Boulder Solid Opal 8.50 TCW 100% Natural Solid Ready To Set in Jewelry B1889

$15.00

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Natural Boulder Opal, 8.98 carat
Natural Boulder Opal, 8.98 carat

$65.00

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6.995CT. BEAUTIFUL BLUE BOULDER OPAL - AUSTRALIA
6.995CT. BEAUTIFUL BLUE BOULDER OPAL - AUSTRALIA

$149.99

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106ct 5pc. Australia Boulder Opal Some Veins/Fires Very Gorgeous
106ct 5pc. Australia Boulder Opal Some Veins/Fires Very Gorgeous

$139.00

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Natural Boulder Opal, 3.12 carat
Natural Boulder Opal, 3.12 carat

$55.00

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RAW BOULDER OPAL 9.2oz
RAW BOULDER OPAL 9.2oz

$55.00

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Stunning Natural Boulder Opal, Fancy Shape, Multi Flashy Fire, Boulder Opal.
Stunning Natural Boulder Opal, Fancy Shape, Multi Flashy Fire, Boulder Opal.

$53.70

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Boulder Solid Opal 42.40 TCW 100% Natural Solid Ready To Set in Jewelry B1981
Boulder Solid Opal 42.40 TCW 100% Natural Solid Ready To Set in Jewelry B1981

$12.00

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Boulder Opal 203.0 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1927
Boulder Opal 203.0 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1927

$35.00

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Boulder Solid Opal 6.95 cts 100% Natural Solid Ready To Set in Jewelry B1650
Boulder Solid Opal 6.95 cts 100% Natural Solid Ready To Set in Jewelry B1650

$30.00

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10.15ct. Boulder Opal In Matrix
10.15ct. Boulder Opal In Matrix

$125.00

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Boulder Opal 241.2 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1922
Boulder Opal 241.2 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1922

$35.00

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Boulder Solid Opal 27.35 TCW 100% Natural Solid Ready To Set in Jewelry B1962
Boulder Solid Opal 27.35 TCW 100% Natural Solid Ready To Set in Jewelry B1962

$20.00

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Boulder Opal 252.2 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1925
Boulder Opal 252.2 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1925

$35.00

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Natural Boulder Opal, 3.47 carat
Natural Boulder Opal, 3.47 carat

$95.00

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Boulder Solid Opal 14.00 TCW 100% Natural Solid Ready To Set in Jewelry B1735
Boulder Solid Opal 14.00 TCW 100% Natural Solid Ready To Set in Jewelry B1735

$20.00

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Boulder Opal 1.5 Cts
Boulder Opal 1.5 Cts

$5.00

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Boulder Solid Opal 23.90 TCW 100% Natural Solid Ready To Set in Jewelry B1941
Boulder Solid Opal 23.90 TCW 100% Natural Solid Ready To Set in Jewelry B1941

$15.00

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Boulder Opal, Australia, Multi-Color, Gemstone Rub, color veins, SEE VIDEO
Boulder Opal, Australia, Multi-Color, Gemstone Rub, color veins, SEE VIDEO

$31.49

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Boulder Solid Opal 11.55 TCW 100% Natural Solid Ready To Set in Jewelry B1726
Boulder Solid Opal 11.55 TCW 100% Natural Solid Ready To Set in Jewelry B1726

$15.00

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Boulder Solid Opal 121.20 TCW 100% Natural Solid Ready To Set in Jewelry B1932
Boulder Solid Opal 121.20 TCW 100% Natural Solid Ready To Set in Jewelry B1932

$15.00

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Boulder Solid Opal 4.45 TCW 100% Natural Solid Ready To Set in Jewelry B1894
Boulder Solid Opal 4.45 TCW 100% Natural Solid Ready To Set in Jewelry B1894

$15.00

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Boulder Solid Opal 8.00 TCW 100% Natural Solid Ready To Set in Jewelry B1759
Boulder Solid Opal 8.00 TCW 100% Natural Solid Ready To Set in Jewelry B1759

$20.00

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Boulder Solid Opal 20.05 TCW 100% Natural Solid Ready To Set in Jewelry B1800
Boulder Solid Opal 20.05 TCW 100% Natural Solid Ready To Set in Jewelry B1800

$25.00

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Boulder Solid Opal 30.60 cts 100% Natural Solid Ready To Set in Jewelry B1655
Boulder Solid Opal 30.60 cts 100% Natural Solid Ready To Set in Jewelry B1655

$30.00

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Natural Boulder Opal, 8.37 carat
Natural Boulder Opal, 8.37 carat

$75.00

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Natural Boulder Opal, 11.83 carat
Natural Boulder Opal, 11.83 carat

$95.00

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Natural Boulder Opal, 14.84 carat
Natural Boulder Opal, 14.84 carat

$90.00

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Boulder Solid Opal 9.80 TCW 100% Natural Solid Ready To Set in Jewelry B1714
Boulder Solid Opal 9.80 TCW 100% Natural Solid Ready To Set in Jewelry B1714

$15.00

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Boulder Opal 84.15 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1979
Boulder Opal 84.15 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1979

$25.00

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Boulder Opal 192.6 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1923
Boulder Opal 192.6 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1923

$35.00

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Natural Boulder Opal, 5.38 carat
Natural Boulder Opal, 5.38 carat

$75.00

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Boulder Solid Opal 8.80 TCW 100% Natural Solid Ready To Set in Jewelry B1884
Boulder Solid Opal 8.80 TCW 100% Natural Solid Ready To Set in Jewelry B1884

$15.00

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Boulder Solid Opal 7.70 TCW 100% Natural Solid Ready To Set in Jewelry B1782
Boulder Solid Opal 7.70 TCW 100% Natural Solid Ready To Set in Jewelry B1782

$20.00

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Boulder Opal 47.05 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1968
Boulder Opal 47.05 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1968

$25.00

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Australia Boulder Opal (Set/3) Rectangle SideDrilled Cabs Pendant Stones.Vintage
Australia Boulder Opal (Set/3) Rectangle SideDrilled Cabs Pendant Stones.Vintage

$66.00

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Boulder Opal 156.8 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1928
Boulder Opal 156.8 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1928

$35.00

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Boulder Opal 67.90 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1966
Boulder Opal 67.90 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1966

$25.00

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Australia Boulder Opal, 5.9ct, Rare-color, 13.7x10.7x5.6mm, Beauty and Fancy
Australia Boulder Opal, 5.9ct, Rare-color, 13.7x10.7x5.6mm, Beauty and Fancy

$48.99

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Boulder Solid Opal 1.60 TCW 100% Natural Solid Ready To Set in Jewelry B1837
Boulder Solid Opal 1.60 TCW 100% Natural Solid Ready To Set in Jewelry B1837

$20.00

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Boulder Solid Opal 20.60 TCW 100% Natural Solid Ready To Set in Jewelry B1938
Boulder Solid Opal 20.60 TCW 100% Natural Solid Ready To Set in Jewelry B1938

$10.00

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Boulder Solid Opal 9.25 TCW 100% Natural Solid Ready To Set in Jewelry B1822
Boulder Solid Opal 9.25 TCW 100% Natural Solid Ready To Set in Jewelry B1822

$30.00

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Boulder Solid Opal 48.30 TCW 100% Natural Solid Ready To Set in Jewelry B1933
Boulder Solid Opal 48.30 TCW 100% Natural Solid Ready To Set in Jewelry B1933

$15.00

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Boulder Solid Opal 5.00 TCW 100% Natural Solid Ready To Set in Jewelry B1832
Boulder Solid Opal 5.00 TCW 100% Natural Solid Ready To Set in Jewelry B1832

$20.00

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Boulder Solid Opal 77.80 TCW 100% Natural Solid Ready To Set in Jewelry B1986
Boulder Solid Opal 77.80 TCW 100% Natural Solid Ready To Set in Jewelry B1986

$12.00

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Boulder Solid Opal 7.40 TCW 100% Natural Solid Ready To Set in Jewelry B1909
Boulder Solid Opal 7.40 TCW 100% Natural Solid Ready To Set in Jewelry B1909

$15.00

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Boulder Solid Opal 5.25 cts 100% Natural Solid Ready To Set in Jewelry B713
Boulder Solid Opal 5.25 cts 100% Natural Solid Ready To Set in Jewelry B713

$10.00

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Boulder Solid Opal 24.70 TCW 100% Natural Solid Ready To Set in Jewelry B1943
Boulder Solid Opal 24.70 TCW 100% Natural Solid Ready To Set in Jewelry B1943

$10.00

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Boulder Solid Opal 50.60 TCW 100% Natural Solid Ready To Set in Jewelry B1963
Boulder Solid Opal 50.60 TCW 100% Natural Solid Ready To Set in Jewelry B1963

$20.00

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Boulder Solid Opal 79.70 TCW 100% Natural Solid Ready To Set in Jewelry B1944
Boulder Solid Opal 79.70 TCW 100% Natural Solid Ready To Set in Jewelry B1944

$15.00

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Boulder Solid Opal 85.55 TCW 100% Natural Solid Ready To Set in Jewelry B1985
Boulder Solid Opal 85.55 TCW 100% Natural Solid Ready To Set in Jewelry B1985

$12.00

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Boulder Solid Opal 48.55 TCW 100% Natural Solid Ready To Set in Jewelry B1931
Boulder Solid Opal 48.55 TCW 100% Natural Solid Ready To Set in Jewelry B1931

$20.00

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Boulder Solid Opal 7.85 TCW 100% Natural Solid Ready To Set in Jewelry B1710
Boulder Solid Opal 7.85 TCW 100% Natural Solid Ready To Set in Jewelry B1710

$15.00

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Boulder Solid Opal 6.30 TCW 100% Natural Solid Ready To Set in Jewelry B1917
Boulder Solid Opal 6.30 TCW 100% Natural Solid Ready To Set in Jewelry B1917

$15.00

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Boulder Solid Opal 3.55 cts 100% Natural Solid Ready To Set in Jewelry B1542
Boulder Solid Opal 3.55 cts 100% Natural Solid Ready To Set in Jewelry B1542

$30.00

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Boulder Opal 142.8 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1977
Boulder Opal 142.8 TCW 100% Natural Solid Gemstone Ready to set in Jewelry B1977

$25.00

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Stunningly Beautiful and Large Boulder Opal
Stunningly Beautiful and Large Boulder Opal

$900.00

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Boulder Solid Opal 30.25 TCW 100% Natural Solid Ready To Set in Jewelry B1718
Boulder Solid Opal 30.25 TCW 100% Natural Solid Ready To Set in Jewelry B1718

$15.00

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Boulder Solid Opal 1.85 TCW 100% Natural Solid Ready To Set in Jewelry B1829
Boulder Solid Opal 1.85 TCW 100% Natural Solid Ready To Set in Jewelry B1829

$20.00

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Boulder Solid Opal 28.20 TCW 100% Natural Solid Ready To Set in Jewelry B1859
Boulder Solid Opal 28.20 TCW 100% Natural Solid Ready To Set in Jewelry B1859

$35.00

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Boulder Solid Opal 5.55 cts 100% Natural Solid Ready To Set in Jewelry B1621
Boulder Solid Opal 5.55 cts 100% Natural Solid Ready To Set in Jewelry B1621

$20.00

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Boulder Solid Opal 8.10 TCW 100% Natural Solid Ready To Set in Jewelry B1733
Boulder Solid Opal 8.10 TCW 100% Natural Solid Ready To Set in Jewelry B1733

$20.00

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Boulder Solid Opal 14.15 TCW 100% Natural Solid Ready To Set in Jewelry B1900
Boulder Solid Opal 14.15 TCW 100% Natural Solid Ready To Set in Jewelry B1900

$15.00

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Boulder Solid Opal 27.80 TCW 100% Natural Solid Ready To Set in Jewelry B1712
Boulder Solid Opal 27.80 TCW 100% Natural Solid Ready To Set in Jewelry B1712

$15.00

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Boulder Solid Opal 6.60 cts 100% Natural Solid Ready To Set in Jewelry B1685
Boulder Solid Opal 6.60 cts 100% Natural Solid Ready To Set in Jewelry B1685

$20.00

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16.5 carat boulder opal, 22 x 15 x 5 mm, central blue vein
16.5 carat boulder opal, 22 x 15 x 5 mm, central blue vein

$39.95

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boulder opal 3-pc set, side drilled at top, conglomerate pattern, high polish
boulder opal 3-pc set, side drilled at top, conglomerate pattern, high polish

$89.95

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