Boulder cut stones over A$500
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BOC00074

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
The camera has not captured the large amount of firey red flecks that consume the face of this boulder opal. The undulating concave surface also exhibits bright flashes of electric green and blue.
Weight:
22.5ct
Dimensions:
  
36.5mm x 15mm
Thickness:
  
5mm
Mined From:
 
Unknown Queensland
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BOC00135

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
The picture has caught the electric red in the centre of the stone. With movement blue greens can be seen across the area that appears to be white in the picture.
Weight:
24.5 ct
Dimensions:
  
19.5 x 19.5 mm across the flats
Thickness:
  
6 mm
Mined From:
 
Unknown Queensland
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BOC00279

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
The top right hand side displays vibrant colour of electic green with pinfire bands of electric blue running down the middle. Bright pink can be seen to the bottom left hand side with slight tinges of pale blue.
Weight:
6.1 ct
Dimensions:
  
15mm x 10mm
Thickness:
  
4.5mm
Mined From:
 
Unknown Queensland
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BOC00113

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
This stone displays a play on colours. Firey red, electric blue and green can be seen through the delicate pale blue swirls.
Weight:
16.4 ct
Dimensions:
  
20mm x 16.5mm
Thickness:
  
4mm
Mined From:
 
Unknown Queensland
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BOC00114

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
An extremely bright stone. This is an unusually shaped stone. The camera has only captured the electric blue background. However, electric green dominates the face. Tinges of firey red can also be seen.
Weight:
7.4 ct
Dimensions:
  
26mm x 11.5mm
Thickness:
  
3.5mm
Mined From:
 
Unknown Queensland
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BOC00116

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
A very bright stone with an undulating concave surface. Electric green and blue pinfire covers the face. Bright gold and pink can also be seen.
Weight:
7 ct
Dimensions:
  
28mm x 7mm
Thickness:
  
3mm
Mined From:
 
Unknown Queensland
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BOC00332

Shape
  
Cabochon
Category
  
Boulder Opal
Description
  
A very fine example of extremely bright boulder opal.
The colour is deeper than the picture.
The stone to me is like looking down on a city with all the lights pointed up.
There is a lot of pinks and golden fire.
Weight:
7.6ct
Dimensions:
  
19 x 11mm
Thickness:
  
5mm
Mined From:
 
Unknown Queensland
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BOC00320

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
A magnificent example of very bright boulder opal.
Very bright fiery  greens and blues . On one side these colours give way to reds and blues.
the marks in the picture are small specs of the natural boulder opal backing coming through.
Weight:
5.2ct
Dimensions:
  
23.5 x 7mm
Thickness:
  
3.5mm
Mined From:
 
Unknown Queensland
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BOC00251

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
A typical piece of boulder opal.
Electric greens and a pink band on one side.
The pictures is fairly close to the truth.
Weight:
6.7ct
Dimensions:
  
18 x 11.5mm
Thickness:
  
3.5mm
Mined From:
 
Unknown Queensland
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BOC00250

Shape
  
Freeform
Category
  
Boulder Opal
Description
  
The opal runs across the face and has blood red flashes as well as flashes of dark blue green.
This is a typical stone with a fairly flat face.
The colour comes to life with movement, very bright and has lots of fire.
Weight:
11.6ct
Dimensions:
  
19mm x 18mm
Thickness:
  
4mm
Mined From:
 
Unknown Queensland