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

Natural Polished Australian boulder matrix opal specimen with the opal face polished
Origin: Opalton via Winton, Queensland
46 x 21 mm x 18 mm of max. thickness
Weight: 57.5 carats (11.5 grams)
Mostly bright green colours
Reduced price because of small minute crack

Natural Polished Australian boulder matrix opal specimen with the opal face polished
Origin: Opalton via Winton, Queensland
33 x 26 mm x 9.7 mm of max. thickness
Weight: 81.5 carats (16 grams)
Various colours including red colours
Reduced price because of small minute crack

Natural Polished 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
Reduced price because of small minute crack

Natural Polished 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
Reduced price because of small minute crack

Natural Polished 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

Natural Polished Australian boulder opal specimen with the opal face polished
Origin: Opalton via Winton, Queensland
50 x 40 mm x 7 mm of max. thickness
Weight: 102 carats (20.5 grams)
Veins of bright multicolored opal

Natural Polished Australian boulder opal specimen with the opal face polished
Origin: Opalton via Winton, Queensland
44 x 28 mm x 17 mm of max. thickness
Weight: 82 carats (16 grams)
Blue colour with bright green flash
Reduced price because of small minute cracks

Natural polished Australian boulder matrix opal carved in the shape of a snail
from Opalton via Winton, Queensland
37 mm long x 19 mm of max. width
Weight: 75 carats (15 grams)
Bright green sparkles of colour

Natural Polished Australian boulder matrix opal specimen with the opal face polished
Origin: Opalton via Winton, Queensland
31 x 24 mm x 15 mm of max. thickness
Weight: 68 carats (13.5 grams)
Various colours including red colours
Reduced price because of small minute crack

Natural Polished 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
Reduced price because of 2 small minute cracks

Natural Polished Australian boulder opal matrix specimen
in the shape of an arrow head, 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

Big polished natural Polished Australian boulder matrix opal specimen
with one face polished
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

Big natural Polished 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

Big natural Polished 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

Big 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 Polished Australian boulder opal matrix specimen
in the shape of a clam, 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

Natural Polished 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)

Big natural polished 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

Natural Polished 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
Very bright sparkles of various colours predominantly red
(not showing properly on the pictures)
Could be set as a pendentif

Natural Australian black boulder matrix opal slice with both face polished
from Elvo Station via Winton, Queensland
57.5 x 39 mm x 6.7 mm thick
Weight: 19.5 grams
Full of bright various colours with red on both sides

Big polished natural Polished 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

Big polished 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 Polished 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 polished 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 full of bright various colours with red
Could be made into a beautiful opal pendant

RARE natural Australian opal matrix polished
in the shape of a spear head
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 a big opal pendant

Natural Polished Australian boulder opal specimen with 2 faces polished
from our Opalton opal mine, Queensland
1/ 74 x 38 mm max. width x 71.4 mm high
2/ 64 x 43 mm max. width x 71.4 mm high
Weight: 706.5 carats (141.3 grams)
The opal on one face is in the shape of a kookaburra resting on a branch
Many veins of opal with bright various colours
An expert opal cutter could cut several stones to be set into jewellery

Investment stone
$5000.00
For sale in Australia only
Please contact us to buy it

Extraordinary Australian boulder opal specimen polished all around
from our Opalton opal mine, Queensland
43.6 x 25 mm x 7 mm of max. thickness
Weight: 59.5 carats (11.9 grams)
Bright various electric colours
This natural stone is unbelievable
There is a change of the boulder colour which has the shape of a stylised kangaroo
(appropriate as it is an Australian opal 😉) which seems magical
with sparkles of bright colours inside the figure
Investment stone
Wholesale price: $5000.00
Reduced to miner's price: $2000.00
For sale in Australia only
Please contact us to buy it

Big natural Australian boulder opal specimen with the opal face polished
from our Opalton opal mine, Queensland
125 x 66.7 mm max. width x 22 mm thick
Weight: 1499 carats (299.8 grams)
4 sawn sides and back are also polished
Bright blue, green and golden colours
A big opal stone 76 x 18.7 mm or several smaller ones could be cut out to be set into jewellery
Investment stone
Wholesale price: $25,000.00
Reduced to miner's price: $15,000.00
For sale in Australia only
Please contact us to buy it