Polished Australian opal specimens,
for sale direct from the mines.

   

Polished specimen of a natural Australian opal in the mother rock (sandstone)
from Opalton, Queensland
31 x 29 mm of max. width x 15 mm of max. thick
Weight: 65 carats (13 grams)
Inclusions of bright green opal

   

Polished specimen of a natural Australian opal in the mother rock (sandstone)
from Opalton, Queensland
38 x 25 mm x 9 mm of max. thickness
Weight: 61 carats (12.2 grams)
Various colours

   

Polished specimen of a natural Australian opal in the mother rock (sandstone)
from Opalton, Queensland
54 x 35 mm x 6 mm of max. thickness
Weight: 65 carats (13 grams)
Veins of blue and green opal

       

Gold plated miniature wheelbarrow full of colourful Australian opal chips
from Opalton via Winton, Queensland
Total lenght with handles: 50 mm
Wheelbarrow: 39 x 19 x 30 mm x 20 mm high
Weight: 36.9 grams
Opal chips with various colours
More wheelbarrows on this page

     

Polished specimen of a natural Australian opal in the mother rock (sandstone)
from Opalton, Queensland
41 x 25 mm x 12 mm of max. thickness
Weight: 77.9 carats (15.5 grams)
The light coloured part of the stone appears to be a mixture of opalised sandstone and hard clay with various colours with red, which could be probably treated to darken and enhance the colours

     

Polished natural Australian boulder opal specimen
from Winton, Queensland
50 x 33 mm x 26 mm of maximum thickness
Weight: 68.5 grams
Green colours

   

Natural Australian boulder opal matrix specimen with the mother rock attached, with the face polished
from Opalton via Winton, Queensland
65 mm x 36 mm x 12 mm of maximum thickness
Weight: 28.12 grams
Blue and green colours

   

Natural Australian boulder matrix opal specimen with the face polished
from Opalton via Winton, Queensland
55 mm x 36.5 mm x 13 mm of maximum thickness
Weight: 31.9 grams
Bright green sparkles of colour

   

Natural Australian boulder opal matrix specimen with the face polished
from Opalton via Winton, Queensland
59.4 mm x 50 mm x 7 mm of maximum thickness
Weight: 33 grams
Bright green and red sparkles of colours

   

Specimen of a natural Australian boulder matrix opal with the face polished
from Opalton, Queensland
40 x 26 mm x 9 mm of max. thickness
Weight: 34.3 carats (6.8 grams)
Bright colours with red

   

Polished natural reversible Australian boulder opal specimen
from Winton area, Queensland
55 x 26 mm x 11 mm of maximum thickness
Weight: 26,2 grams
Blue and green veins of opal on both sides

   

Natural Australian boulder opal matrix specimen with the mother rock attached, and the face polished
from Opalton via Winton, Queensland
57.7 mm x 53 mm of max. width x 18 mm of maximum thickness
Weight: 57.8 grams
Blue and bright green colours

     

Natural Australian boulder opal matrix specimen with the mother rock attached at the back, and the face polished
from Opalton via Winton, Queensland
56 x 40 mm of max. width x 8 mm of maximum thickness
Weight: 13.5 grams (67.9 carats)
Sparkles of bright red colours

     

Polished natural Australian boulder matrix opal specimen
from Opalton via Winton, Queensland
75 x 60 mm x 20 mm of maximum thickness
Weight: 115 grams
Bright sparkles of green and red colours on both sides
Only one side is polished

         

Natural Australian boulder opal matrix specimen with its 8 sides polished
from Opalton via Winton, Queensland
27 x 17 mm of max. width x 16 mm of maximum thickness
Weight: 14.2 grams (71 carats)
Various colours with bright green and bright red colours

   

Natural Australian boulder opal matrix specimen with the face polished
from Opalton via Winton, Queensland
46 mm x 45 mm x 21.6 mm of maximum thickness
Weight: 71.3 grams
Bright green and red sparkles of colours

   

Large Natural Australian boulder opal matrix specimen with the face polished
from Opalton via Winton, Queensland
103 x 54 mm x 10 mm of maximum thickness
Weight: 66.2 grams (331.5 grams)
Bright green sparkles of colours

     

Natural Australian boulder opal matrix specimen polished all around
from Opalton via Winton, Queensland
45.4 mm x 33 mm x 12 mm of maximum thickness
Weight: 21.62 grams
Bright various colours with red

         

Big Natural Australian boulder opal matrix specimen with only the face polished
from Opalton via Winton, Queensland
75 x 60 mm x 20 mm of maximum thickness
Weight: 167 grams
Very bright sparkles of green and red colours

     

Polished specimen of a natural Australian opal in the mother rock (sandstone)
from Opalton, Queensland
41 x 28 mm of max. width x 11 mm of max. thick
Weight: 70.5 carats (14 grams)
Inclusions of blue opal on both sides
The price of this opal is heavily discounted as it has a few cracks
But it is solid and could be repaired if wanted

   

Natural Australian boulder opal matrix specimen polished all around
from Opalton via Winton, Queensland
52 mm x 37 mm x 16 mm of maximum thickness
Weight: 50.9 grams
Bright multicoloured flickers of colours with red on both sides ( not well captured by camera)

     

Polished natural Australian boulder opal specimen
from Winton area, Queensland
75 mm x 55 mm x 12 mm of maximum thickness
Weight: 84 grams
Various colours

   

Natural Australian boulder opal matrix specimen with the face polished
from Opalton via Winton, Queensland
74 mm x 68 mm x 15 mm of maximum thickness
Weight: 109.2 grams
Bright green sparkles of colour

   

Very big Polished natural Australian boulder opal matrix band specimen
(RARE) from Opalton via Winton, Queensland
90 x 80 mm x 15 mm of maximum thickness
Weight: 231 grams
Bright red and green sparkles of colours
Only the face is polished and the sandstone back is only sanded

     

Natural Australian boulder opal matrix specimen polished all around
from Opalton via Winton, Queensland
39.4 mm x 29 mm x 11 mm of maximum thickness
Weight: 27 grams
Bright sparkles of colours with red ( not all visible on the picture)
Could be set as a pendentif

         

Polished natural Australian boulder opal specimen
from Winton area, Queensland
68 x 45 mm x 8 mm of maximum thickness
Weight: 64.8 grams
Mostly green colours with some bright green

   

Polished natural Australian boulder opal matrix specimen
from Winton area, Queensland
75 mm x 66 mm x 16 mm of maximum thickness
Weight: 98 grams
Bright various colours

         

Polished natural Australian boulder opal specimen
from Winton area, Queensland
57 x 50 mm x 20 mm of maximum thickness
Weight: 92 grams
Various colours with green and pink

         

Polished natural Australian boulder opal specimen
from Winton area, Queensland
105 x 45 mm x 18 mm of max. thickness
Weight: 174 grams
Waves of blue and bright green colours

   

Natural Australian boulder opal matrix specimen highly polished all around
from Opalton via Winton, Queensland
57 mm x 40 mm x 16.7 mm of maximum thickness
Weight: 74.9 grams
Bright various colours with red

       

Polished natural Australian boulder opal specimen
from Opalton, Queensland
32 x 25 mm x 12 mm of max. thick
Weight: 79 carats (15.8 grams)
Some green colours with a lot of bright red colours

       

RARE Australian treated matrix opal specimen
from Andamooka, South Australia
34 mm x 20 mm and 12 mm wide x 6 mm thick
Weight: 28.5 carats
Black matrix opal with bright various colours with red
Could be made into a beautiful opal pendant

       

Polished natural Australian opal matrix
from Andamooka, South Australia.
71.6 mm x 25 mm x 11 mm of maximum thickness
Weight: 12.2 grams (61 carats)
Bright various colours with red
This matrix is not treated (RARE)
Could be made into an opal pendant