5.98ct Quilpie Boulder Opal | #E249

A loose boulder opal stone from Quilpie, Australia. The opal shines colors of green and orange.

Burton's Gems and Opals

8.12ct Quilpie Boulder Opal | #E10

$620.00

A loose, vivid boulder opal stone from Quilpie, Australia.

Burton's Gems and Opals

4.78ct Quilpie Boulder Opal | #E85

$1,860.00

A pear shaped semi-black crystal opal with green fire.

Burton's Gems and Opals

1.40ct Lightning Ridge Semi-Black Crystal Opal | #E55

$625.00

Burton's Gems and Opals

64.11ct Quilpie Boulder Opal Stone | #22

$1,840.00

Burton's Gems and Opals

7.03ct Quilpie Boulder Opal | #E261D

$1,980.00

A loose, oval cut boulder opal stone from Koroit, Australia. The opal shines green and blue colors.

Burton's Gems and Opals

4.45ct Koroit Boulder Opal | #E20

$825.00

A loose, polished Quilpie boulder opal stone from Queensland, Australia. The opal displays a blue flow pattern.

Burton's Gems and Opals

172.75ct Quilpie Boulder Opal Stone | #8

$1,630.00

Burton's Gems and Opals

16.59ct Quilpie Black Boulder Opal | #E230

$2,600.00

Burton's Gems and Opals

4.96ct Quilpie Boulder Opal | #E257

Burton's Gems and Opals

4.37ct Quilpie Boulder Opal | #E256

$1,200.00

Burton's Gems and Opals

5.24ct Koroit Australian Boulder Opal | #E274

$580.00

A loose, marquise cut boulder opal from Quilpie, Australia. The opal has green and red wave patterns.

Burton's Gems and Opals

4.56ct Quilpie Boulder Opal | #E136

Burton's Gems and Opals

1.49ct Australian Semi-Crystal Opal | #E8

$825.00

A loose Australian boulder opal stone from Quilpie, Australia.

Burton's Gems and Opals

12.94ct Quilpie Boulder Opal Stone | #16

$415.00

A loose, freeform shaped double-sided boulder opal stone from Quilpie, Australia. One side is blue, the other is white.

Burton's Gems and Opals

7.60ct Double-Sided Quilpie Boulder Opal | #E135

$380.00

A blue, drop shaped Quilpie boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

59.78ct Quilpie Boulder Opal Stone | #46

$1,225.00

A loose boulder opal stone from Quilpie, Australia. The opal has bright green and blue flashes.

Burton's Gems and Opals

4.25ct Quilpie Boulder Opal | #E128

$320.00

A loose, oval cabochon cut black opal stone from Lightning Ridge, Australia. The opal has blue color play.

Burton's Gems and Opals

0.80ct Lightning Ridge Black Opal | #E160

$115.00

Burton's Gems and Opals

10.28ct Quilpie Black Boulder Opal | #E233

$2,880.00

Burton's Gems and Opals

30.85ct Koroit Australian Boulder Opal | #E275

$800.00

A loose, polished, freeform cut boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

12.83ct Quilpie Boulder Opal Stone | #27

$495.00

Burton's Gems and Opals

7.90ct Quilpie Boulder Opal | #E279

$1,280.00

An oval cabochon cut boulder opal from Quilpie, Australia. The opal has multicolor color play.

Burton's Gems and Opals

5.15ct Quilpie Boulder Opal | #E170

$425.00

A freeform shaped boulder opal stone with red and blue color play.

Burton's Gems and Opals

2.23ct Quilpie Semi-Black Boulder Opal | #E109

A vivid blue and purple boulder opal stone from Quilpie, Australia.

Burton's Gems and Opals

22.99ct Quilpie Black Boulder Opal | #E187

$1,240.00

A stone sphere carved from natural green aventurine quartz with containing mica inclusions.

Burton's Gems and Opals

3.3" Aventurine Sphere

$330.00

A loose, oval cabochon cut opal from Quilpie, Australia. Blue, red, and green colors can be seen.

Burton's Gems and Opals

20.87ct Quilpie Boulder Opal Stone | #2

$415.00

A loose, oval cabochon cut black opal stone that weighs 1.52 carats. The opal plays blue colors.

Burton's Gems and Opals

1.52ct Lightning Ridge Black Opal | #E116

A polished boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

130.64ct Quilpie Boulder Opal Stone | #48

$870.00

A loose, barrel shaped semi-black opal stone from Lightning Ridge, Australia. The stone plays green colors.

Burton's Gems and Opals

1.28ct Lightning Ridge Semi-Black Semi-Crystal Opal | #E99

A loose, teardrop shaped purple boulder opal stone.

Burton's Gems and Opals

13.11ct Quilpie Boulder Opal Stone | #19

$415.00

A loose, faceted oval cut dark blue natural sapphire stone.

Burton's Gems and Opals

0.89ct Blue Sapphire, Oval Cut

$900.00

Burton's Gems and Opals

38.94ct Quilpie Boulder Opal | #E252

$1,680.00

Burton's Gems and Opals

5.95ct Quilpie Black Boulder Opal | #E229

A loose, oval cabochon cut black boulder opal stone from Quilpie, Australia.

Burton's Gems and Opals

3.10ct Blue Quilpie Boulder Opal Stone | #1

$320.00

A loose, polished Quilpie boulder opal stone from Australia. The stone is predominantly blue.

Burton's Gems and Opals

23.47ct Quilpie Boulder Opal Stone | #11

$295.00

A freeform shaped, polished boulder opal stone from Queensland, Australia. The stone has red, orange, green, and blue fire.

Burton's Gems and Opals

62.42ct Quilpie Boulder Opal Stone | #23A

$670.00

Burton's Gems and Opals

8.50ct Quilpie Boulder Opal | #E242

$800.00

Burton's Gems and Opals

5.80ct Quilpie Boulder Opal | #E248

$1,600.00

A loose, multicolored, round cabochon cut turquoise stone from Valley Blue Mine in Lander County, Nevada.

Burton's Gems and Opals

Turquoise #148 | Valley Blue

$135.00

A loose, pear shaped boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

52.60ct Quilpie Boulder Opal Stone | #38

A loose, oval cabochon cut Lightning Ridge light opal stone.

Burton's Gems and Opals

2.60ct Lightning Ridge Light Opal | #E37

$370.00

A loose, pear shaped boulder opal stone that flashes colors of green and blue.

Burton's Gems and Opals

2.05ct Quilpie Boulder Opal | #E46

$215.00

A loose, polished, point shape Quilpie boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

19.35ct Quilpie Boulder Opal Stone | #4

Burton's Gems and Opals

11.41ct Quilpie Boulder Opal | #E247

$2,200.00

A Lightning Ridge black opal gemstone with red and blue fire.

Burton's Gems and Opals

0.98ct Lightning Ridge Black Opal | #E58

$1,240.00

Burton's Gems and Opals

7.10ct Quilpie Boulder Opal | #E255

$2,800.00

Burton's Gems and Opals

14.55ct Quilpie Boulder Opal | #E245

$1,200.00

Burton's Gems and Opals

24.33ct Quilpie Boulder Opal | #E244

Burton's Gems and Opals

10.46ct Quilpie Boulder Opal | #E240

$1,800.00

A loose, 5.90 carat heart shaped boulder opal stone from Quilpie, Australia. The opal has blue flashes.

Burton's Gems and Opals

5.90ct Quilpie Boulder Opal Heart | #E110

$425.00

Burton's Gems and Opals

7.23ct Lightning Ridge Semi-Black Crystal Opal | #E273

Burton's Gems and Opals

9.82ct Quilpie Boulder Opal | #E239

$800.00

A loose, freeform boulder opal stone from Quilpie, Australia. The opal has a fissure inclusion.

Burton's Gems and Opals

4.23ct Quilpie Boulder Opal | #E87

Burton's Gems and Opals

24.95ct Quilpie Boulder Opal Stone | #30

$265.00

A polished, purple Quilpie boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

151.32ct Quilpie Boulder Opal Stone | #49

$820.00

A pizza shaped bright green opal stone from Lightning Ridge, Australia.

Burton's Gems and Opals

0.85ct Vivid Lightning Ridge Semi-Black Semi-Crystal Opal | #E71

$525.00

Burton's Gems and Opals

14.22ct Quilpie Boulder Opal | #E243

$1,800.00

A 2.68 carat loose, oval cabochon cut black opal stone from Lightning Ridge, Australia. The opal has a N2 body tone.

Burton's Gems and Opals

2.68ct Lightning Ridge Black Opal | #E123

$1,025.00

A loose opal cabochon with red, green, orange, and yellow colors.

Burton's Gems and Opals

0.91ct Lightning Ridge Light Opal | #E60

A loose boomerang shaped purple boulder opal stone from Quilpie, Australia.

Burton's Gems and Opals

18.48ct Koroit Boulder Opal Boomerang Stone | #23

$670.00

Burton's Gems and Opals

10.28ct Quilpie Boulder Opal | #E254

$1,400.00

Burton's Gems and Opals

9.72ct and 8.15ct Quilpie Boulder Matrix Opal Pair | #E265

$1,200.00

A loose, freeform cut, patterned Quilpie boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

33.18ct Quilpie Boulder Opal Stone | #45

$520.00

Burton's Gems and Opals

19.12ct Quilpie Black Boulder Opal | #E231

$2,200.00

A loose, polished, boomerang shaped boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

8.72ct Quilpie Boulder Opal Boomerang Stone | #24

$1,225.00

A loose, drop shaped Australian boulder opal from Quilpie Mining District.

Burton's Gems and Opals

109.87ct Quilpie Boulder Opal Stone | #42

$870.00

A loose Quilpie boulder opal stone from Queensland, Australia.

Burton's Gems and Opals

51.31ct Quilpie Boulder Opal Stone | #44

$1,225.00

Burton's Gems and Opals

15.51ct Quilpie Boulder Opal | #E250

$3,600.00

A loose, freeform cut black opal stone from Lightning Ridge, Australia. The opal shines bright orange colors.

Burton's Gems and Opals

0.91ct Lightning Ridge Black Opal | #E31

$320.00

A loose, light opal from Lightning Ridge, Australia. The opal shines a rainbow of colors.

Burton's Gems and Opals

1.04ct Lightning Ridge Light Opal | #E38

A loose, polished blue boulder opal specimen from Queensland, Australia.

Burton's Gems and Opals

57.38ct Quilpie Boulder Opal Specimen | #35