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BOULDER OPAL GEM STONE*66ct*LOTS OF CHARACTER*LOTS OF FLASH*

$ 75.68 $ 45.4

4.88ct 13x8.6mm Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Veins of Color * 13ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 0.88 $ 0.52

5ct Solid Boulder Opal Blue & Green Freeform Queensland Australia

$ 21.99 $ 13.19

20.50 Cts 100% Natural BOULDER OPAL Fancy Cabochon 20x16x5 mm Loose Gemstone

$ 5.27 $ 3.16

0.84ct 8x5.4mm Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 1.54 $ 0.92

Andy's Gem Garage Sale - #6 Austrailian Boulder Opal 2 pieces - 2.35cts FIRE!!!

$ 28.16 $ 16.89

QUEENSLAND 17.2c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13688

$ 6.86 $ 4.11

5.50Ct UNIQUE RARE GEM ! CRYSTAL CORES FLASHY AUSTRALIAN BOULDER OPAL

$ 4.39 $ 2.63

0.46ct 5.3x4.7mm Oval Cabochon Natural Winton Area Matrix Boulder Opal Australia

$ 6.6 $ 3.95

0.82ct 8.3x5.6mm Oval Cabochon Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

QUEENSLAND 415c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13674

$ 21.2 $ 12.72

1.55ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 19.8 $ 11.88

2.83ct Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 19.8 $ 11.88

BOULDER CRYSTAL OPAL GEM STONE*GORGEOUS*26ct*TONS OF COLOR/FLASH*

$ 140.8 $ 84.48

Very Colorful Boulder Opal Polished Blue And Green From Australia

$ 35.2 $ 21.12

Beautiful Reds * 6ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 0.88 $ 0.52

QUEENSLAND 343c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13676

$ 18.92 $ 11.35

15.35 Cts 100% Natural BOULDER OPAL PEAR Cabochon 12X22X6 mm Loose Gemstone

$ 6.15 $ 3.69

16.60 Cts 100% Natural BOULDER OPAL PEAR Cabochon 14X22X7 mm Loose Gemstone

$ 6.15 $ 3.69

35.85 Cts 100% Natural BOULDER OPAL Pear Cabochon 16x24x7 mm Loose Gemstone

$ 6.15 $ 3.69

Natural Gem Australian Boulder Fire Opal 5 to 6mm Size Round Beads Necklace 16"

$ 90.64 $ 54.38

2.3 ct Boulder Opal Cabochon freeform - Australia

$ 35.2 $ 21.12

100% Natural Koroit Boulder Opal 25.25 Cts PEAR Cabochon 22X23X6 mm Gemstone

$ 7.91 $ 4.74

Natural Boulder Opal Loose Gemstone Cabochon From Australia 8.85 Cts OG626

$ 12.7 $ 7.62

1.02ct 9.8x4.5mm Oval Cabochon Natural Winton Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

20.37Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL KOROIT NUT BOULDER OPAL !

$ 20.31 $ 12.18

Andy's Gem Garage Sale - Austrailian Black Opal -INCREDIBLE Purple Fire! 3ct

$ 61.59 $ 36.95

3.72ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

11.02Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL KOROIT NUT BOULDER OPAL !

$ 13.05 $ 7.83

Polished side drilled Boulder Opal from Queensland; bright green crystal.

$ 48.4 $ 29.04

1.03ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

18.52Ct SUPERB COLLECTION ! VIOLET BLUE FLASHY MATRIX DESIGN KOROIT BOULDER OPAL

$ 17.59 $ 10.55

WOOD FOSSIL! 12ct Boulder Opal Red Multicolor Pear Queensland AU

$ 175.99 $ 105.59

6.3 ct Boulder Opal Cabochon freeform - half drilled - Australia

$ 35.2 $ 21.12

HUGE KOROIT QUEENSLAND BOULDER OPAL 150.5c GEMSTONE POLISHED CAB UNSET OCA13628

$ 1191.52 $ 714.91

1.23ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

NEON GREEN! 4.3ct Solid Boulder Opal Blue Green Rectangle Cushion Queensland!

$ 105.59 $ 63.35

23.5 CT Queensland Boulder Opal Rub Rough For Lapidary or Specimen 69-8

$ 13.2 $ 7.91

Andy's Gem Garage Sale - #1 Austrailian Boulder Opal 2 pieces - 2.30cts FIRE!!!

$ 25.51 $ 15.3

3.02ct 14.7x5.3mm Oval Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

1.13ct Half Moon Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

1.07ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

1.45ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Natural Boulder Opal Amazing Oval Shape Cabochon Loose Gemstone 66 Cts AA-1657

$ 4.39 $ 2.63

Natural Boulder Opal Amazing Oval Shape Cabochon Loose Gemstone 61 Cts AA-1713

$ 4.39 $ 2.63

Set of 3 Boulder Opal Top Drill Disk Beads, Graduated 13-19mm

$ 48.4 $ 29.04

KOROIT QUEENSLAND BOULDER OPAL 44.9c GEMSTONE POLISHED CAB UNSET OCA13629

$ 78.32 $ 46.99

TOP GEM Solid Boulder Opal RED MULTICOLOR 1.8ct Queensland!

$ 439.99 $ 263.99

36.43Ct UNIQUE RAREST GEM ! CRYSTAL CORES VIOLET FLASH AUSTRALIAN BOULDER OPAL

$ 17.59 $ 10.55

23.92ct 35x12.4mm Oval Cabochon Natural Winton Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

18.60ct Natural Solid Australian Boulder Opal YOWAH Cabochon Stone ~ Zen Opals

$ 192.36 $ 115.42

9.07ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 66 $ 39.6

Great Movement of Colors, Lightning Ridge Boulder Opal .5 cts S8405

$ 79.19 $ 47.51

10.69Ct UNIQUE COLLECTION ! SUPERB BLUE GREEN FLASHY PICTURE KOROIT BOULDER OPAL

$ 17.59 $ 10.55

52.80Ct SUPERB COLLECTION ! VIOLET BLUE FLASHY MATRIX DESIGN KOROIT BOULDER OPAL

$ 17.59 $ 10.55

Queensland Boulder Opal Ring/Pendant Stone #585

$ 4.4 $ 2.64

Superb Greens * 39ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 189.2 $ 113.52

0.45ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

3.46 ct Fancy Shape (12 x 11 mm) Multi Color Australian Koroit Boulder Opal

$ 61.59 $ 36.95

ROUND CUT! 5.75ct Pipe Boulder Opal Pastel Pink & Green QLD Australia

$ 30.79 $ 18.47

Oval Cut! 5.4ct Solid Boulder Opal RED MULTICOLOR Queensland AU

$ 202.39 $ 121.43

Oval-Cut! 2.96ct Solid Boulder Opal Multicolor Oval Queensland Australia

$ 26.39 $ 15.83

Yowah Boulder Opal with Lots of Colorful Veins

$ 70.4 $ 42.24

BOULDER OPAL GEM STONE*16ct*GORGEOUS IRONSTONE PATTERNS & FLASHY BLUE VEINS*

$ 48.4 $ 29.04

10.34 Ct Five Star (18 x 15) Violet Blue Natural Australian Koroit Boulder Opal

$ 8.79 $ 5.27

Old Stock Australian Queensland Boulder Opal 215.8 carats Blues and FIRE!

$ 43.12 $ 25.87

Kaleidoscopic Boulder Opal: Video!

$ 175.12 $ 105.07

2.25 “ / 58mm 175 Carats Vintage Hand Cut Queensland Boulder Opal #271

$ 110 $ 66

7 RARE NATURAL RED ORANGE CREAM MEXICAN FIRE OPAL NUGGET BEADS 11-22mm 52.5cts

$ 34.76 $ 20.85

16ct Yowah Opal Bright Blue Green Bar-Cut Cushion Queensland AU

$ 158.39 $ 95.03

21.9ct Yowah Matrix Opal Multicolor Sparkles Freeform Queensland AU

$ 52.79 $ 31.67

6.82ct Yowah Matrix Boulder Opal Freeform from Queensland AU

$ 35.19 $ 21.11

17.9ct Yowah Matrix Opal Red Ironstone Oval Queensland AU

$ 87.99 $ 52.79

156.3g Australian Boulder Opal Natural Polished Split Specimen

$ 78.32 $ 46.99

Large Boulder Opal Australia 1/2 Moon 44 mm 60 Carats #277

$ 24.64 $ 14.78

Pendant Size! 27ct Black Boulder Opal RED MULTICOLOR Wood Fossil Freeform QLD!

$ 219.99 $ 131.99

Amazing 65ct Yowah Matrix Opal Double-Sided Freeform Queensland AU

$ 263.99 $ 158.39

18.52 carats Brazilian fire opals Lot

$ 243.76 $ 146.25

BOULDER OPAL GEM STONE*11.30*BEAUTIFUL IRONSTONE WITH PLENTY CRYSTAL OPAL*

$ 26.4 $ 15.83

Gorgeous 3D Boulder Opal: Video!

$ 254.32 $ 152.59

Dancing Flash! 7.15ct Solid Boulder Opal Blue Green Freeform Queensland AU!

$ 43.99 $ 26.39

Boulder Opal Free Form 22x12mm with 4.5mm dome over 7cts from Australia (9509)

$ 43.99 $ 26.39

Mesmerizing Boulder Opal: Video!

$ 315.92 $ 189.55

YOWAH NUT! 8.9ct Boulder Matrix Opal Bright Colors Trillion from QLD

$ 43.99 $ 26.39

Oceanic Boulder Opal: Video!!

$ 117.92 $ 70.75

27.3ct 33x17x6.9mm Australian Boulder Opal Marquis Cut Cabochon Butterfly Gem

$ 101.2 $ 60.72

47.4ct 29x23x8mm Australian Boulder Opal Cabochon Eye Stone

$ 39.6 $ 23.76

Swirly Two Sided Boulder Opal

$ 110 $ 66

3.46 ct Pretty Fancy (15 x 10 mm) Multi Color Australian Koroit Boulder Opal

$ 8.79 $ 5.27

14k Gold Bail Australian Natural 2” Boulder Opal Butterfly Vintage 1970 Pendant

$ 158.4 $ 95.04

Bar-Cut! 8.08ct Solid Boulder Opal Pastel Pink Rectangle Queensland AU!

$ 35.19 $ 21.11

Fabulous 35ct Yowah Nut Opal Bright Blue Green Geometric Freeform Queensland AU

$ 263.99 $ 158.39

Gemmy!! 3.1ct Boulder Opal BRILLIANT GREEN GOLD Orange Freeform Queensland!

$ 87.99 $ 52.79

Boulder Opal Cabochon 23x16.5mm with 5.5mm Dome from Australia (14523)

$ 20.23 $ 12.13

14.4ct 20.4x17.6x6mm Australian Boulder Opal Cabochon Stone

$ 59.84 $ 35.9

Large Nevada Wood Branch Opal

$ 1936 $ 1161.59

Trillion! 2.47ct Solid Boulder Opal BLUE GREEN Freeform Triangle QLD Australia

$ 21.99 $ 13.19

24.6ct Solid Boulder Opal Multicolor Freeform Queensland Australia

$ 35.19 $ 21.11

BOULDER CRYSTAL OPAL GEM STONE*126ct*GORGEOUS IRONSTONE/w WHITE OPAL*

$ 112.64 $ 67.58