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4.31ct Natural Boulder Opal Blue Fire
AU$254100% Natural Solid Boulder Opal Polished Stone
Weight: 4.31 ct
Dimensions: 19x6x3 mm
Source: Winton, QLD, Australia
Size and weight are approximate
32ct Natural Boulder Matrix Opal Koroit Australia
AU$254Opal Details:
Type: Natural, Solid, Untreated Boulder Opal
Origin: Koroit, Queensland, Australia
Dimensions: 39 × 12 × 6.5 mm (approx.)
Weight: 32ct (approx.)
1.63ct Natural Crystal Boulder Opal
AU$230Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Weight: 1.63 carats
Dimensions: 8x7x4.5 mm
Source: Winton, QLD, Australia
Shape: High Dome Cabochon Flat Bottom
Size and weight are approximate
Pink Boulder Opal 6.9 ct
AU$215Opal: Natural, Solid, Untreated, Polished
Color: Pink
Shape: Freeform / Triangle
Weight: 6.9 ct
Dimensions: 15x15x4.5mm
Source: Winton, QLD, Australia
Size and weight are approximate
6.99ct Natural Crystal Boulder Opal
AU$215Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Weight: 6.99 carats
Dimensions: 15.5x10x6 mm
Source: Winton, QLD, Australia
Size and weight are approximate
10ct Natural Boulder Opal Blue Green Fire
AU$207Opal: Natural, Solid, Untreated, Polished
Color: Purple, Green
Shape: Freeform
Weight: 10 ct
Dimensions: 24×12.5x4mm
Source: Winton, QLD, Australia
Size and weight are approximate
1.05ct Natural Crystal Boulder Opal Round
AU$184Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Weight: 1.05 carats
Dimensions: 8x7x2.5 mm
Source: Winton, QLD, Australia
Shape: Middle Dome Cabochon Flat Bottom
Size and weight are approximate
1.2ct Natural Crystal Boulder Opal
AU$154Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Weight: 1.2 carats
Dimensions: 9x6x3 mm
Source: Winton, QLD, Australia
Shape: High Dome Cabochon Flat Bottom
Size and weight are approximate
1.7ct Natural Crystal Boulder Opal
AU$151Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Total Weight: 1.7 ct
Dimensions: 11×5.5×3 mm
Source: Winton, QLD, Australia
(Size and weight are approximate)
23ctw Natural Crystal Boulder Opal Parcel 6pcs
AU$149Opal: Natural, Solid, Untreated, Polished
Source: Winton, QLD, Australia
Quantity: 6 Pieces – the price is for all pieces.
Total Weight: 23 ctw
Oval Opal Dimensions:
Large : 21.5x19x5 mm
Small : 15x17x4 mm
Freeform Opal Dimensions:
Large: 20x7x5 mm
Small:15x8x4.5 mm
(Size and weight are approximate)
33.63ct Crystal Boulder Opal Parcel
AU$149Natural Solid Untreated Pipe Crystal Boulder Opal Polished Stones
Quantity: 6 Pieces – the price is for all pieces. We do not sell separately.
Total Weight: 33.63 ctw
Dimensions:
Large Oval Shape Opal : 21.5x19x5 mm
Small Oval Shape Opal : 15x17x4 mm
Color : Purple
Shape : Oval Square Freeform
Source: Winton, QLD, Australia
Size and weight are approximate
70.5ct Natural Double-Sided Boulder Opal
AU$146Opal Details:
Type: Natural, Solid, Untreated Boulder Matrix Opal
Origin: Koroit, Queensland, Australia
Dimensions: 40.5 × 26 × 7 mm (approx.)
Weight: 70.5ct (approx.
Blue Natural Boulder Opal 1.49 ct
AU$138💎 Opal Details:
Weight: 1.49 ct
Dimensions: 11.5×5.7×2.6 mm
Origin: Winton, Queensland, Australia
Size and weight are approximate
23.55ctw Natural Crystal Boulder Opal Parcel 6pcs
AU$138Natural Solid Untreated Pipe Crystal Boulder Opal Polished Stones
Quantity: 6 Pieces – the price is for all pieces. We do not sell separately.
Total Weight: 23 ctw
Dimensions:
Large Freeform Shape Opal : 20x7x5 mm
Small Freeform Shape Opal :15x8x4.5 mm
Color : Purple Blue Green
Shape : Oval Square Freeform
Source: Winton, QLD, Australia
Size and weight are approximate
6.61ct Natural Boulder Opal Pastel Green Pink
AU$131100% Natural Solid Boulder Opal Polishged Stone
Weight: 6.61 ct
Dimensions: 20.5x11x2.5 mm
Source: Winton,QLD, Australia
Size and weight are approximate
Double Sided Oval Koroit Boulder Opal Stone 27.53 ct
AU$131Natural Solid Untreated Boulder Opal Polished Stone
Weight: 27.53 ct
Dimensions: 23.5×20.5×5 mm
Source: Koroit, QLD, Australia
(Size and weight are approximate)
31ct Natural Koroit Boulder Opal Matrix
AU$85100% Natural Solid Boulder Opal – Polished Australian Gemstone
- Weight: 31.05 ct
- Dimensions: 23 x 20 x 8 mm
- Origin: Koroit, Queensland, Australia
- (Size and weight are approximate.)
Boulder Opal
Boulder Opals are mined in the state of Queensland in Australia.
They are precious opals discovered usually inside of large Ironstone formations found in the Earth.
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