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Neon Green Fire Top Gem Large Crystal Boulder Opal 54.18 ct
Neon Green Fire Top Gem Large Crystal Boulder Opal 54.18 ct
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Large Rectangle Shape Winton Crystal Boulder Opal 54.18 ct

USD $13,000
-30%
Huge Gem Crystal Boulder Opal 106.4 ct
Huge Gem Crystal Boulder Opal 106.4 ct
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Collectors Gem Winton Crystal Boulder Opal Specimen 106.4 ct

Original price was: USD $15,700.Current price is: USD $10,990.
-30%
Top Gem Crystal Boulder Opal 36.28 ct
Top Gem Crystal Boulder Opal 36.28 ct
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Crystal Boulder Opal Heart ideal Pendant Stone 36.28 ct

Original price was: USD $9,070.Current price is: USD $6,349.
-30%
Purple Sparkling Crystal Boulder Opal 31.9 ct
Purple Sparkling Crystal Boulder Opal 31.9 ct
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Purple Winton Crystal Boulder Opal for Pendant 31.9 ct

Original price was: USD $9,000.Current price is: USD $6,300.
Gem Crystal Winton Boulder Opal for Pendant or Ring 6.21 ct
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Gem Crystal Winton Boulder Opal for Pendant or Ring 6.21 ct

USD $3,400
Rare Faceted Crystal Boulder Opal 9.73 ct, 100% Natural Solid Faceted Crystal Boulder Opal From Australia. Oval Shape, Purplish Blue, Green, Cyan, Yellow Fire.
Rare Faceted Crystal Boulder Opal 9.73 ct, 100% Natural Solid Faceted Crystal Boulder Opal From Australia. Oval Shape, Purplish Blue, Green, Cyan, Yellow Fire.
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Rare Faceted Crystal Boulder Opal from Winton 9.73 ct

USD $3,200
-20%
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Large Purple Winton Crystal Boulder Opal Teardrop 38.1 ct

Original price was: USD $4,000.Current price is: USD $3,200.
-30%
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Rectangular Shape Gem Winton Crystal Boulder Opal 13.2 ct

Original price was: USD $3,960.Current price is: USD $2,772.
-20%
Large Crystal Boulder Opal 25.1 ct
Large Crystal Boulder Opal 25.1 ct
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Winton Crystal Boulder Opal for Large Ring/Pendant 25.1 ct

Original price was: USD $3,200.Current price is: USD $2,560.
Huge Teardrop Crystal Boulder Opal 47.1 ct
Huge Teardrop Crystal Boulder Opal 47.1 ct
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Winton Crystal Boulder Opal Teardrop for Pendant 47.1 ct

USD $4,700
-30%
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Blue Half Moon Shape Winton Crystal Boulder Opal 11.3 ct

Original price was: USD $3,200.Current price is: USD $2,240.
-20%
Gem Crystal Boulder Opal 7.6 ct
Gem Crystal Boulder Opal 7.6 ct
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Freeform Winton Crystal Boulder Opal ideal Pendant 7.6 ct

Original price was: USD $2,690.Current price is: USD $2,152.
-30%
Round Crystal Boulder Opal 13.1 ct
Round Crystal Boulder Opal 13.1 ct
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Round Winton Crystal Boulder Opal for Large Ring 13.1 ct

Original price was: USD $2,600.Current price is: USD $1,820.
-25%
Triangle Gem Crystal Boulder Opal 10 ct
Triangle Gem Crystal Boulder Opal 10 ct
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Winton Crystal Boulder Opal ideal for Ring or Pendant 10 ct

Original price was: USD $2,000.Current price is: USD $1,500.
-25%
Rectangle Multi Color Flash Gem Crystal Boulder Opal 6.4 ct
Rectangle Multi Color Flash Gem Crystal Boulder Opal 6.4 ct
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Rectangle Shape Rainbow Winton Crystal Boulder Opal 6.4 ct

Original price was: USD $1,920.Current price is: USD $1,440.
-25%
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Pastel Rainbow Winton Crystal Boulder Opal Teardrop 4.3 ct

Original price was: USD $1,525.Current price is: USD $1,144.
-25%
Crystal Boulder Opal 3.35 ct, 100% Natural Solid Polished Pipe Crystal Boulder Opal From Australia. Oval Shape, Middle Dome, Bright Green, Blue, Cyan Fire.
Crystal Boulder Opal 3.35 ct, 100% Natural Solid Polished Pipe Crystal Boulder Opal From Australia. Oval Shape, Middle Dome, Bright Green, Blue, Cyan Fire.
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Blue Green Australian Crystal Boulder Opal Ringstone 3.35 ct

Original price was: USD $1,346.Current price is: USD $1,010.
-25%
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Rainbow Winton Crystal Boulder Opal Ringstone 3.6 ct

Original price was: USD $1,260.Current price is: USD $945.
-25%
Double Sided Crystal Boulder Opal 0.96 ct
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Multi Color Double Sided Crystal Boulder Opal 0.96 ct

Original price was: USD $1,116.Current price is: USD $837.
-25%
Gem Crystal Winton Boulder Opal Ringstone Triangle 0.62 ct
Gem Crystal Winton Boulder Opal Ringstone Triangle 0.62 ct
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Gem Crystal Winton Boulder Opal Ringstone Triangle 0.62 ct

Original price was: USD $1,030.Current price is: USD $773.
-25%
Radiant Faceted Crystal Opal 3.91 ct
Radiant Faceted Crystal Opal 3.91 ct-hand shot1
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Radiant Faceted Crystal Opal 3.91 ct

Original price was: USD $995.Current price is: USD $746.
-25%
Double Sided Crystal Boulder Opal 0.97 ct
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Multi Color Double Sided Crystal Boulder Opal 0.97 ct

Original price was: USD $990.Current price is: USD $743.
-25%
Crystal Boulder Opal 1.07 ct
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Rainbow Australian Crystal Boulder Opal Teardrop 1.07 ct

Original price was: USD $920.Current price is: USD $690.
-25%
Crystal Boulder Opal 1.05 ct
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Pink Blue Teardrop Australian Crystal Boulder Opal 1.05 ct

Original price was: USD $912.Current price is: USD $684.
-25%
Crystal Boulder Opal 13.04 ct
Crystal Boulder Opal 13.04 ct
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Multi Color Winton Sandstone Crystal Boulder Opal 13.04 ct

Original price was: USD $870.Current price is: USD $653.
-25%
Double Sided Crystal Boulder Opal 1.37 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Oval Shape, Middle Dome, Yellow, Green, Blue, Cyan Fire.
Double Sided Crystal Boulder Opal 1.37 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Oval Shape, Middle Dome, Yellow, Green, Blue, Cyan Fire.
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Double Sided Australian Crystal Boulder Opal 1.37 ct

Original price was: USD $842.Current price is: USD $632.
-25%
Crystal Boulder Opal 1.25 ct, 100% Natural Solid Polished Pipe Crystal Boulder Opal From Australia. Triangle Shape, High Dome, Bright Yellow, Green, Blue, Cyan Fire.
Crystal Boulder Opal 1.25 ct, 100% Natural Solid Polished Pipe Crystal Boulder Opal From Australia. Triangle Shape, High Dome, Bright Yellow, Green, Blue, Cyan Fire.
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Bright Australian Crystal Boulder Opal Ringstone 1.25 ct

Original price was: USD $832.Current price is: USD $624.
-25%
Sparkling Crystal Boulder Opal 12.47 ct
Sparkling Crystal Boulder Opal 12.47 ct
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Sparkling Rectangle Winton Crystal Boulder Opal 12.47 ct

Original price was: USD $800.Current price is: USD $600.
-25%
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Winton Crystal Boulder Opal ideal for Ringstone 1.5 ct

Original price was: USD $800.Current price is: USD $600.
-25%
Double Sided Crystal Boulder Opal 1.19 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Teardrop Shape, Cabochon, Orange, Yellow, Green, Blue, Cyan Fire.
Double Sided Crystal Boulder Opal 1.19 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Teardrop Shape, Cabochon, Orange, Yellow, Green, Blue, Cyan Fire.
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Double Sided Teardrop Crystal Boulder Opal 1.19 ct

Original price was: USD $734.Current price is: USD $551.
-25%
Crystal Boulder Opal 1.64 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Long Oval Shape, Middle Dome, Orange Yellow, Green, Blue, Cyan Fire.
Crystal Boulder Opal 1.64 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Long Oval Shape, Middle Dome, Orange Yellow, Green, Blue, Cyan Fire.
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Double Sided Crystal Boulder Opal 1.64 ct

Original price was: USD $680.Current price is: USD $510.
-25%
Crystal Boulder Opal 1.07 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Oval Shape, Low Dome, Yellow, Green, Blue, Cyan Fire.
Crystal Boulder Opal 1.07 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Oval Shape, Low Dome, Yellow, Green, Blue, Cyan Fire.
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Green Blue Australian Crystal Boulder Opal Ringstone 1.07 ct

Original price was: USD $662.Current price is: USD $497.
-25%
Gem Neon Electric Flash Crystal Boulder Opal 3.62 ct
Crystal Boulder Opal Ringstone 3.62 ct
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Green Winton Crystal Boulder Opal Ringstone 3.62 ct

Original price was: USD $650.Current price is: USD $488.
-25%
Crystal Boulder Opal 1.75 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Teardrop Shape, High Dome, Yellow, Green, Blue, Cyan Fire.
Crystal Boulder Opal 1.75 ct, 100% Natural Solid Polished Crystal Boulder Opal From Australia. Teardrop Shape, High Dome, Yellow, Green, Blue, Cyan Fire.
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Australian Crystal Boulder Opal Teardrop Ringstone 1.75 ct

Original price was: USD $638.Current price is: USD $479.
-25%
Crystal Boulder Opal 2.06 ct, 100% Natural Solid Polished Pipe Crystal Boulder Opal From Australia. Teardrop Shape, Middle Dome, Green, Blue, Cyan Fire.
Crystal Boulder Opal 2.06 ct, 100% Natural Solid Polished Pipe Crystal Boulder Opal From Australia. Teardrop Shape, Middle Dome, Green, Blue, Cyan Fire.
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Blue Australian Crystal Boulder Opal Ringstone 2.06 ct

Original price was: USD $638.Current price is: USD $479.
-25%
Double Sided Crytsal Boulder Opal 0.84 ct
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Double Sided Crystal Boulder Opal Teardrop Ringstone 0.84 ct

Original price was: USD $591.Current price is: USD $443.
-25%
Faceted Crystal Opal 1.95 ct
Faceted Crystal Opal 1.95 ct-hand shotb
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Faceted Crystal Opal 1.95 ct

Original price was: USD $558.Current price is: USD $419.
-25%
Gem Multi Color Fire Crystal Boulder Opal 5.38 ct
Crystal Boulder Opal 5.38 ct
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Green Rectangle Winton Crystal Boulder Opal 5.38 ct

Original price was: USD $520.Current price is: USD $390.
-25%
Crystal Boulder Opal Pair 1.45 ctw
Crystal Boulder Opal Pair 1.45 ctw
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Winton Crystal Boulder Opal Pair for Earrings 1.45 ctw

Original price was: USD $505.Current price is: USD $379.
-25%
Faceted Crystal Opal 2.01 ct
Faceted Crystal Opal 2.01 ct-hand shotB
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Faceted Crystal Opal 2.01 ct

Original price was: USD $502.Current price is: USD $377.

Crystal Boulder Opals


Crystal Boulder Opals are found in Boulder Opal mining, often unintentionally whilst searching for Ironstone Boulder Opals.
They are different to Boulder Opals in that they are found in Sandstone apposed to Ironstone, and often in pockets rather than inside of large boulders that you need to smash open with a sledgehammer.
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