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$36.00 USD
Natural Australian boulder matrix opal specimen with the face polished
from Opalton via Winton, Queensland
57 x 36 mm x 8 mm of thickness
Weight: 20 grams
Small veins of bright multicolored opal
$36.00 USD
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
$36.00 USD
Natural Australian boulder matrix opal specimen with the face polished
from Opalton via Winton, Queensland
41 x 42 mm x 15 mm of thickness
Weight: 41 grams
Inclusions of bright multicolored opal
$36.00 USD
Natural Australian boulder matrix opal specimen with the face polished
from Opalton via Winton, Queensland
53 x 33 mm x 21 mm of thickness
Weight: 47 grams
Inclusions of bright multicolored opal
$36.00 USD
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
Solid opal with a few small cracks at a reduced price
$36.00 USD
Natural Australian boulder matrix opal specimen with the face polished
from Opalton via Winton, Queensland
69 x 49 mm x 13 mm of thickness
Weight: 62 grams
Inclusions of bright multicolored opal
$64.00 USD
Natural Australian boulder opal matrix specimen with 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
$64.00 USD
Natural Australian boulder opal matrix specimen with 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
$72.00 USD
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
$80.00 USD
Big natural Australian boulder matrix opal specimen with the face polished
from Opalton via Winton, Queensland
92 x 63 mm x 17 mm of thickness
Weight: 126 grams
Inclusions of bright multicolored opal
$80.00 USD
Big natural Australian boulder matrix opal specimen with the face polished
from Opalton via Winton, Queensland
99 x 49 mm x 14 mm of thickness
Weight: 127 grams
Inclusions of bright multicolored opal
$96.00 USD
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
$120.00 USD
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)
$120.00 USD
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
$144.00 USD
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
$144.00 USD
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
$144.00 USD
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
$160.00 USD
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
$160.00 USD
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
$200.00 USD
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
$200.00 USD
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
$280.00 USD
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
$240.00 USD
Australian boulder opal specimen with the face polished
from Opalton via Winton, Queensland
21 x 19 mm x 11 mm thick
Weight: 6.8 grams (34 carats)
Gem quality boulder opal with various colours
$280.00 USD
Specimen of natural Australian crystal opal
in the mother rock (sandstone)
with the opal face polished
from Opalton via Winton, Queensland
18 x 14 mm x 9 mm thick
Weight: 3.73 grams (18.65 carats)
Bright green crystal opal
The opal has a crack across the face,
and 2 beautiful cut opals could be made out of this stone
$480.00 USD
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
$1200.00 USD
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
$1440.00 USD
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