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Big Bright Neon Queensland Boulder Opal Polished Purple, Blue, And Green

$ 96.8 $ 58.08

11.26ct 16.2x13.2mm Oval Cabochon Natural Koroit Nut Boulder Opal, Australia

$ 0.87 $ 0.52

Vivid Multi-Colored 37ct Australian Solid Fairy Boulder Opal * See Video

$ 418 $ 250.8

0.39ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Flashy Greens * 15ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 0.88 $ 0.52

Vintage Estate Loose 14 x 22 mm Australian Boulder Opal 1.56 Grams 7.65 Ct 7/8"

$ 219.95 $ 131.97

Vintage Loose 10 x 28.5 mm Australian Boulder Opal 2.68 Grams 13.40 Ct 1 1/8"

$ 307.95 $ 184.77

Yowah Boulder Opal with Lots of Colorful Veins

$ 70.4 $ 42.24

Very Colorful Boulder Opal Polished Blue And Green From Australia

$ 35.2 $ 21.12

Big polished Yowah Boulder Opal with green and purple veins.

$ 101.2 $ 60.72

Electric Greens * 33ct Natural Australian Solid Koroit Boulder Opal * See Video

$ 281.6 $ 168.96

Australian Boulder Opals jewelry beads

$ 1139.59 $ 683.75

77.99Ct UNIQUE RAREST GEM ! METALLIC VIOLET BLUE AUSTRALIAN BOULDER OPAL

$ 111.75 $ 67.05

Green & Violet * 26ct Natural Australian Solid Koroit Boulder Opal * See Video

$ 105.6 $ 63.35

Stunning 5.87ct Gem Yowah Opal Bright Blue Green Oval Queensland AU

$ 175.99 $ 105.59

29.75ct GORGEOUS Australian Boulder Opal YOWAH Cabochon Stone ~ Zen Opals

$ 194.04 $ 116.42

Australian Boulder Opal 9.16 Carats 20.3×14.7mm 100% Solid

$ 342.32 $ 205.39

Opalton Boulder Opal rub rough. #20876

$ 220 $ 132

SOLID KOROIT BOULDER OPAL 6.5CT~MULTI-COLOR RAINBOW FLASH~ QUEENSLAND, AUSTRALIA

$ 254.32 $ 152.59

YOWAH BOULDER OPAL GEM STONE*44ct*GORGEOUS ELECTRIC CRYSTAL OPAL*

$ 171.6 $ 102.96

22 carat Polished Matrix Boulder Opal

$ 616 $ 369.6

QUEENSLAND BOULDER OPAL 21.9c GEMSTONE POLISHED CAB UNSET OCA13630

$ 104.72 $ 62.83

BOULDER CRYSTAL OPAL GEM STONE*38ct*GORGEOUS OPAL*LOTS OF COLOR*

$ 68.64 $ 41.18

Dark Body Gem Colors * 28ct Natural Australian Solid Koroit Boulder Opal * Video

$ 761.2 $ 456.72

9 Boulder Opal Loose Gemstone

$ 101.2 $ 60.72

Purple And Electric Green Boulder Opal: See the Video!

$ 307.12 $ 184.27

19.22Ct DAZZLING ! METALLIC BLUE GREEN FLASHY KOROIT BOULDER OPAL PENDENT

$ 65.99 $ 39.59

YOWAH NUT BOULDER OPAL GEM STONE*36ct*LOTS OF COLOR & FLASH*VERY BEAUTIFUL*

$ 120.56 $ 72.33

ETHIOPIAN WOOD OPAL GEM STONE*20ct*LOTS OF COLOR*LOTS OF NEON FLASH*

$ 121.44 $ 72.86

Color-Filled Veins * 38ct Natural Australian Solid Yowah Boulder Opal * Video

$ 162.8 $ 97.68

QUEENSLAND 310c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13649

$ 36.08 $ 21.64

3 ct Natural Australian Gem Boulder opal

$ 425.92 $ 255.55

Blindingly Bright Purple Boulder Opal. Watch the Video!

$ 439.12 $ 263.47

QUEENSLAND 538g BOULDER OPAL GEMSTONE DISPLAY SPECIMEN SOUVENIR OCA13586

$ 148.72 $ 89.23

Genuine Australian Boulder Opal Yowah Nut Specimen Multicolours 21.5ct (2047)

$ 415 $ 249

Large Queensland Boulder Opal Extremely Bright Thick Veins Both Sides

$ 176 $ 105.6

0.59ct Oval Cabochon Natural Winton Area Matrix Black Opal in Boulder Australia

$ 46.2 $ 27.72

Australian boulder Yowah Nut opal loose gemstone (b) Free Form Mineral Specimen

$ 66 $ 39.6

Stunning Reds * 4ct Natural Australian Solid Boulder Opal * See Video Clip

$ 919.6 $ 551.76

19.43ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 92.4 $ 55.44

Australian Queensland Boulder Opal Slab Specimen or Pendant stone (1713)

$ 306.5 $ 183.9

Gorgeous Pastel Boulder Opal

$ 87.12 $ 52.27

Natural Australian Boulder Opal Gorgeous Color & Pattern 9.70 ct

$ 95.91 $ 57.54

Blue Boulder Opal High Quality

$ 836 $ 501.6

SPECTQACULAR ,,,UNTREATED NATURAL OPAL IIN MATRIX 0.76 Ct. 8.0 X 6.9 mm

$ 34.32 $ 20.59

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

$ 28.16 $ 16.89

1.73Ct UNIQUE RAREST 3D METALLIC BLUE GREEN FLASHY PICTURE KOROIT BOULDER OPAL

$ 4.39 $ 2.63

24.13ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

GEMMY! 1.4ct Boulder Opal RED MULTICOLOR PINSTRIPES Freeform QLD!

$ 154 $ 92.4

Boulder Opal 100% Natural Solid Opal 25.65 cts Ready to be set in Jewelry B1479

$ 35.2 $ 21.12

7.92ct Half Moon Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

QUEENSLAND 353g BOULDER OPAL ROUGH GEM DISPLAY SPECIMEN SOUVENIR OCA12467

$ 113.52 $ 68.11

Captivating Yowah Boulder Opal 13.08 cts S9105

$ 52.79 $ 31.67

32.72ct Oval Cabochon Natural Winton Area Matrix Koroit Boulder Opal, Australia

$ 46.2 $ 27.72

HUGE! 18ct Solid Boulder Opal BRILLIANT FLASH Freeform Queensland!

$ 527.99 $ 316.79

Pinfire! 11.8ct Solid Boulder Opal Red Multicolor Oval Queensland AU

$ 114.39 $ 68.63

2.67ct Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 19.8 $ 11.88

Gorgeous Lightning Ridge Boulder Opal 0.9 cts S7614 Ring Stone

$ 61.59 $ 36.95

boulder opal, face drilled, blue veins, 74 carats, 36 x 26 x 5 mm

$ 43.95 $ 26.37

Boulder Opal Rough 11.00 TCW 100% Natural Australian Queensland Gemstone N3211

$ 13.2 $ 7.91

BOULDER OPAL 49 x 30 MM ALL NATURAL VIVID COLORS COLLECTOR'S STONE

$ 119.67 $ 71.8

BOULDER OPAL GEM STONE*95.75ct*VERY BEAUTIFUL DARK IRONSTONE/W FLASH*

$ 145.19 $ 87.11

amazing boulder opal, blue opal pipes, 97 carats, 36 x 31 x 7 mm

$ 79.15 $ 47.49

Boulder Opal Cabochon 26x15mm with 4mm Dome from Australia (14556)

$ 13.19 $ 7.91

2.87ct Solid Boulder Opal Red Multicolor Freeform Queensland AU

$ 26.39 $ 15.83

Boulder Solid Opal 3.20 cts 100% Natural Solid Ready To Set in Jewelry B1595

$ 13.2 $ 7.91

4.44ct Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

2.26ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

6.07ct Triangle Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

Double Pools of Seductive Colors, Boulder Opal 5.91 cts S8403

$ 61.59 $ 36.95

Big! 66.53ct Free Form Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 79.2 $ 47.52

Calibrated! 3.5ct Solid Black Boulder Opal Blue Pinfire Oval Queensland Australi

$ 30.79 $ 18.47

23.58ct Triangle Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 59.4 $ 35.64

33.4 ct Drilled Boulder Opal from Australia - drilled for pendant

$ 74.79 $ 44.87

BOULDER OPAL 45 x 27 MM ALL NATURAL VIVID COLORS COLLECTOR'S STONE

$ 96.79 $ 58.07

4.68ct Pear Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

394ct Australian Boulder Opal Kitten Cat 3" Carving Paperweight Natural Mined

$ 131.95 $ 79.17

Fossil Wood! 14.8ct Solid Boulder Opal Red Multicolor Oval Queensland Australia

$ 87.99 $ 52.79

17.4 gram Rough Pipe Boulder Opal Rough from Queensland, Australia

$ 24.63 $ 14.77

12.9 gram boulder opal rough - Australia specimen

$ 44 $ 26.4

AAA 100% Natural Boulder Opal Radiant Cabochon Loose Gemstone 35.45 Ct 34X24X4mm

$ 7.03 $ 4.21

23ct Polished Australian Boulder Opal ~ FREE SHIPPING!!

$ 48.4 $ 29.04

100% Natural 64.80Cts.Top Quality Boulder Opal Pear Cabochon Loose Gemstone

$ 11.43 $ 6.85

BOULDER OPAL 37 x 32 MM ALL NATURAL VIVID COLORS COLLECTOR'S STONE

$ 131.99 $ 79.19

64.80Cts.100% Natural Boulder Opal Pear Cabochon Loose Gemstone

$ 11.43 $ 6.85

3.64 ct Dazzling Fancy (12 x 9 mm) Multi Color Australian Koroit Boulder Opal

$ 8.79 $ 5.27

Boulder Opal Koroit Boulder Opal 15oz Rough

$ 61.6 $ 36.96

Boulder Opal Koroit Boulder Opal 9 & 7/8oz Rough

$ 57.2 $ 34.32

QUEENSLAND 22.6c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13666

$ 42.24 $ 25.34

QUEENSLAND 17c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13665

$ 19.8 $ 11.88

QUEENSLAND 366c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13648

$ 34.32 $ 20.59

Vintage Estate Loose 14 x 22 mm Australian Boulder Opal 1.56 Grams 7.65 Ct 7/8"

$ 219.95 $ 131.97

QUEENSLAND 11.3c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13664

$ 10.11 $ 6.07

Big Colorful Boulder Opal Polished from Australia

$ 61.6 $ 36.96

QUEENSLAND 352c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13650

$ 36.08 $ 21.64

QUEENSLAND 7.9c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13667

$ 12.14 $ 7.28

TWINKLY Solid Boulder Opal MULTICOLOR 1.7ct Freeform QLD!

$ 70.39 $ 42.23

Big Colorful Queensland Boulder Opal

$ 114.4 $ 68.64

Ethiopian Opal 9.15 Carats with Red Colors

$ 352 $ 211.2

Ethiopian Opal 8.5 Carats with Red Colors

$ 352 $ 211.2