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Sale
Natural Gem Australian Boulder and Matrix Opal Round & Coin Beads Bracelet 7.5"
$ 59.84
$ 35.9
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Sale
47.65Ct DAZZLING ! NEON GREEN BLUE FLASHY AUSTRALIAN BOULDER OPAL PENDENT
$ 65.99
$ 39.59
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Sale
QUEENSLAND BOULDER OPAL 44.1c DOUBLET GEM POLISHED CABOCHON UNSET OCA13543
$ 131.12
$ 78.67
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Sale
10.85 Cts Unheated Australian Boulder Opal Loose Gemstone Cabochon Natural OG733
$ 13.19
$ 7.91
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Sale
18.68Ct UNHEATED METALLIC GREEN BLUE FLASHY AUSTRALIAN BOULDER OPAL PENDENT
$ 17.59
$ 10.55
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Sale
14.71Ct UNHEATED NEON BLUE GREEN FLASHY AUSTRALIAN BOULDER OPAL
$ 43.99
$ 26.39
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Sale
Fiery Gem Colors * 24ct Natural Australian Solid Matrix Boulder Opal * See Video
$ 642.4
$ 385.44
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Sale
11.70Ct UNIQUE RAREST GEM ! MATRIX DESIGN AUSTRALIAN BOULDER OPAL
$ 4.39
$ 2.63
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Sale
Electric Gem Streaks * Natural Australian 27ct Solid Boulder Opal * See Video
$ 2032.8
$ 1219.67
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Sale
2.98Ct UNIQUE RAREST GEM ! CRYSTAL CORES MATRIX DESIGN AUSTRALIAN BOULDER OPAL
$ 4.39
$ 2.63
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Sale
Electric Color Flashes * 32ct Natural Australian Solid Matrix Boulder Opal
$ 167.2
$ 100.32
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Sale
3.82ct Half Moon Cabochon Natural Winton Area Matrix Boulder Opal, Australia
$ 46.2
$ 27.72
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Sale
Australia Natural BOULDER OPAL Cutting Rough Lot 24.75cts
$ 17.6
$ 10.56
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Sale
Australian Natural Boulder Opal Pendant, Side Drilled
$ 30.79
$ 18.47
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Sale
Bright & Flashy * 22ct Natural Australian Solid Matrix Boulder Opal * See Video
$ 0.88
$ 0.52
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Sale
Australian Boulder Opal, Waves Of Color Play On Matrix Of Warm Brown Oval Stone
$ 41.06
$ 24.63
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Sale
10.17Ct UNIQUE RAREST GEM ! MATRIX DESIGN AUSTRALIAN BOULDER OPAL
$ 4.39
$ 2.63
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Sale
Veins of Color * 12ct Natural Australian Solid Matrix Boulder Opal * See Video
$ 0.88
$ 0.52
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Sale
Big Colorful Boulder Opal Polished from Australia
$ 57.2
$ 34.32
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Sale
28.69ct 22.4mm Round Cabochon Natural Koroit Matrix Boulder Opal, Australia
$ 0.87
$ 0.52
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Sale
0.61ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia
$ 0.87
$ 0.52
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Sale
36.00 Cts 100% Natural BOULDER OPAL PEAR Cabochon 18X29X6 mm Loose Gemstone
$ 11.43
$ 6.85
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Sale
46.20 Cts 100% Natural BOULDER OPAL Cushion Cabochon 21X25X7 mm Loose Gemstone
$ 12.31
$ 7.38
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Sale
YOWAH NUT! 22.6ct Multicolor Boulder Matrix Opal Oval from QLD!
$ 43.99
$ 26.39
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Sale
Australian Boulder Opal. 105g
$ 36.96
$ 22.17
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Sale
8.94 ct Fancy Shape (17 x 16 mm) Multi Color Australian Koroit Boulder Opal
$ 39.59
$ 23.75
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Sale
Bar-Cut! 2.7ct Solid Boulder Opal Aqua Blue Rectangle QLD Australia
$ 21.99
$ 13.19
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Sale
Old Stock Australian Queensland Boulder Opal 46 carats Tons of FIRE!
$ 43.99
$ 26.39
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Sale
5.83 ct Eye-popping Fancy (19 x 13 mm) Multi Australian Koroit Boulder Opal
$ 8.79
$ 5.27
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Sale
9.44 ct Premium Fancy (20 x 12 mm) Play of s Australian Koroit Boulder Opal
$ 8.79
$ 5.27
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Sale
Australian boulder opal, 33 carats, 25 x 22 x 6 m, nearly full face, pinfire
$ 35.15
$ 21.09
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Sale
Natural Australian Koroit Boulder Opal Side Drilled Unusual Patterns By Bluegems
$ 8.79
$ 5.27
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Sale
Seal Boulder Opal Stone Carving Cabochon Polished Gem Otter
$ 44
$ 26.4
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Sale
Stunning Cabochon Boulder Opal White and Green Fire! - VIDEO USA Seller 31.34 ct
$ 7.92
$ 4.75
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Sale
22.75 carat undrilled boulder opal, blue green fire veins, 20 x 23 x 4mm
$ 26.35
$ 15.81
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Sale
OUTSTANDING 3.2ct Solid Boulder Opal BRIGHT ORANGE & GREEN Queensland!
$ 527.99
$ 316.79
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Sale
Duck Bird Boulder Opal Stone Carving Cabochon Polished Gem
$ 35.2
$ 21.12
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Sale
BOULDER OPAL 51 x 36 MM ALL NATURAL VIVID COLORS COLLECTOR'S STONE
$ 187.43
$ 112.45
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Sale
Stunning 12.4ct Wood Fossil Boulder Opal Bright Blue Green Freeform QLD
$ 219.99
$ 131.99
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Sale
Gemmy 7ct Solid Boulder Opal MULTICOLOR Freeform Queensland AU!
$ 219.99
$ 131.99
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Sale
2.00 ct Astonishing Fancy (18 x 6 mm) Multi Australian Koroit Boulder Opal
$ 7.03
$ 4.21
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Sale
8.3oz Beautiful Boulder Opal Chunk #tita
$ 4.4
$ 2.64
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Sale
10.38 ct Fancy Shape (24 x 14 mm) Multi Color Australian Koroit Boulder Opal
$ 8.79
$ 5.27
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Sale
10.00 Cts 100% Natural BOULDER OPAL PEAR Cabochon14X16X6 MM Loose Gemstone
$ 10.55
$ 6.33
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Sale
100% Natural Australian BOULDER OPAL Pear Cab 35.40 Cts 23x32x5 mm Gemstone
$ 6.15
$ 3.69
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Sale
23.11ct 23.4x17.4mm Free Form Cabochon Natural Koroit Matrix Boulder Opal
$ 0.87
$ 0.52
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Sale
18.15 Cts 100% Natural BOULDER OPAL Fancy Cabochon 15x24x5 mm Loose Gemstone
$ 5.27
$ 3.16
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Sale
168.65 Ct Natural Australian Blue Opal Rough Specimen AAA Quality Gemstone
$ 0.13
$ 0.07
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Sale
Gem Australian Boulder Opal 180 Ct. Museum Top Grade large Gemstone
$ 108.9
$ 65.34
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Sale
Super Rare Natural Gem Boulder Australian Opal 4 to 7MM Round Beads Necklace 17"
$ 85.36
$ 51.21
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Sale
1.09Ct UNIQUE RAREST GEM ! CRYSTAL CORES VIOLET FLASH AUSTRALIAN BOULDER OPAL
$ 4.39
$ 2.63
See Details
Sale
20.78Ct DAZZLING ! NEON GREEN BLUE FLASHY AUSTRALIAN BOULDER OPAL PENDENT
$ 65.99
$ 39.59
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Sale
27.15Ct METALLIC GREEN BLUE ORANGE FLASHY AUSTRALIAN BOULDER OPAL PENDENT
$ 65.99
$ 39.59
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Sale
QUEENSLAND 317c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13736
$ 4.39
$ 2.63
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Sale
QUEENSLAND 14.5c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13751
$ 3.74
$ 2.24
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Sale
QUEENSLAND 24.5c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13749
$ 6.6
$ 3.95
See Details
Sale
62.35Ct UNIQUE RARE ! ORANGE GREEN BLUE FLASHY AUSTRALIAN BOULDER OPAL
$ 8.79
$ 5.27
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Sale
QUEENSLAND 177c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13737
$ 21.12
$ 12.67
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Sale
QUEENSLAND 8.3c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13750
$ 3.74
$ 2.24
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Sale
10.69Ct UNIQUE COLLECTION ! SUPERB BLUE GREEN FLASHY PICTURE KOROIT BOULDER OPAL
$ 17.59
$ 10.55
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Sale
18.52Ct SUPERB COLLECTION ! VIOLET BLUE FLASHY MATRIX DESIGN KOROIT BOULDER OPAL
$ 17.59
$ 10.55
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Sale
25.10 Cts 100% Natural BOULDER OPAL Oval Cabochon 15X32X6 mm Loose Gemstone
$ 8.79
$ 5.27
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Sale
54.60 Cts 100% Natural BOULDER OPAL Cushion Cabochon 21X35X6 mm Loose Gemstone
$ 12.31
$ 7.38
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Sale
Big & Beautiful * 128ct Natural Australian Koroit Boulder Opal * See Video Clip
$ 264
$ 158.4
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Sale
7.49Ct UNIQUE RAREST ! CRYSTAL CORES MATRIX DESIGN PICTURE KOROIT BOULDER OPAL
$ 7.03
$ 4.21
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Sale
Australian boulder opal matched pair, 77 cts total, 39 x 24 x 4 mm great color!
$ 202.35
$ 121.41
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Sale
"Africa"? Yowah Boulder Opal 15.84 cts cts S8304
$ 61.59
$ 36.95
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Sale
Polished Natural Australian Queensland Boulder Opal Pendant Bead, Over 20 Cts.
$ 25.52
$ 15.31
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Sale
Nice Polished Boulder Opal Cabochon in Gem Jar- .4 Grams- Vintage Estate Find
$ 1.76
$ 1.05
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Sale
QUEENSLAND 164c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13782
$ 63.36
$ 38.01
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Sale
Multiple Gem Colors * 17ct Natural Australian Solid Matrix Boulder Opal * Video
$ 206.8
$ 124.08
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Sale
Old Australian Queensland Boulder Opal 4.8ct Bright pink pinfire
$ 51.92
$ 31.15
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Sale
Natural Boulder Opal Amazing Pear Shape Cabochon Loose Gemstone 85 Cts AA-1746
$ 4.39
$ 2.63
See Details
Sale
40ct Natural Australian Boulder Opal YOWAH Sided Drilled Stone SPLENDID Pattern
$ 17.59
$ 10.55
See Details
Sale
Old Australian Queensland Boulder Opal 10.5ct 18x13mm Bright
$ 60.72
$ 36.43
See Details
Sale
Green & Violet * 57ct Natural Australian Solid Yowah Boulder Opal * See Video
$ 0.88
$ 0.52
See Details
Sale
Bright Color Flashes * 10ct Natural Australian Solid Matrix Boulder Opal * Video
$ 140.8
$ 84.48
See Details
Sale
15.35 Cts 100% Natural BOULDER OPAL PEAR Cabochon 12X22X6 mm Loose Gemstone
$ 6.15
$ 3.69
See Details
Sale
70.45Ct DAZZLING ! METALLIC GREEN BLUE FLASHY KOROIT BOULDER OPAL PENDENT
$ 43.99
$ 26.39
See Details
Sale
Natural Gem Australian Boulder Fire Opal 4 to 7mm Size Round Beads Necklace 17"
$ 87.12
$ 52.27
See Details
Sale
Bright Green & Violet 16ct Natural Australian Solid Koroit Boulder Opal * Video
$ 127.6
$ 76.55
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Sale
1.04ct 8.4x6.5mm Oval Cabochon Natural Koroit Nut Matrix Black Opal, Australia
$ 0.87
$ 0.52
See Details
Sale
Stunning Green & Purple Fire!! 3.2 CT Natural Australian Boulder Opal Pendant
$ 48.4
$ 29.04
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Sale
QUEENSLAND 790c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13781
$ 17.16
$ 10.29
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Sale
QUEENSLAND 23.4c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13797
$ 0.87
$ 0.52
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Sale
5.67 gram Koroit boulder opal rough - Australia
$ 44
$ 26.4
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Sale
Vintage Loose 10 x 28.5 mm Australian Boulder Opal 2.68 Grams 13.40 Ct 1 1/8"
$ 307.95
$ 184.77
See Details
Sale
19.6 gram boulder opal rough specimen with blue colors - Australia cabbing rough
$ 35.2
$ 21.12
See Details
Sale
QUEENSLAND 8.6c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13795
$ 22.88
$ 13.72
See Details
Sale
0.56ct 7x5mm Oval Cabochon Natural Koroit Nut Matrix Boulder Opal, Australia
$ 0.87
$ 0.52
See Details
Sale
19.61Ct UNIQUE RARE ! METALLIC BLUE FLASHY MATRIX PICTURE KOROIT BOULDER OPAL
$ 17.59
$ 10.55
See Details
Sale
Australian Boulder Opal Rough 🔥AMAZING Red Green Blue🔥 26g/130 carats #2152
$ 28.82
$ 17.29
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Sale
Vintage Purple Drilled Boulder Opal Pendant 23 Carats #257
$ 21.12
$ 12.67
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Sale
10.46Ct DAZZLING ! MULTI COLOR FLASHY KOROIT BOULDER OPAL PENDENT
$ 65.99
$ 39.59
See Details
Sale
Australian Boulder Opal Rough - 🔥Red Orange Green🔥 - 2.2 oz / 62g - #2151
$ 5.27
$ 3.16
See Details
Sale
QUEENSLAND 18.3c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13794
$ 18.92
$ 11.35
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Sale
Color-Filled Veins * 4ct Natural Australian Solid Matrix Boulder Opal * Video
$ 10.11
$ 6.07
See Details
Sale
QUEENSLAND 12.4c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13796
$ 6.6
$ 3.95
See Details
Sale
Bright & Flashy * 13ct Natural Australian Solid Yowah Boulder Opal * See Video
$ 378.4
$ 227.04
See Details
Sale
Natural Boulder Opal Amazing Oval Shape Cabochon Loose Gemstone 58 Cts AA-1675
$ 4.39
$ 2.63
See Details
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