Polished opal specimens,
direct from the mines in Australia:

   

Polished natural boulder matrix opal specimen
from the Winton area, Queensland, Australia
33 x 21 mm x 10 mm of maximum thickness
Weight: 10.6 grams
Green and red colours

       

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
100 X 40 mm x 15 mm of maximum thickness
Weight: 89.4 grams
Blue and green colours

     

5 small opal specimens with the face polished, in a box, from the Winton area, Queensland, Australia
from 8 x 6.6 mm x 3.5 mm of max.thickness
to 15 x 7 mm x 3.7 of max.thickness
Total weight of the opals: 8.66 carats
Size of the box: 40 x 40 mm x 17 mm high
3 stones with bright green colours, 2 with red

   

Gold plated Miniature wheelbarrow full of colourful natural Australian opal chips
Origin: Opalton via Winton, Queensland
Total lenght with handles: 50 mm
Wheelbarrow: 39 x 19 x 30 mm
x 20 mm high
Weight: 34 grams
Bright electric green colours
Opal chips are varnished with epoxy resin to maximize the brilliance of the opals colours

         

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
41 x 34 mm x 17 mm of maximum thickness
Weight: 51 grams
Blue and green colours

     

Polished natural boulder opal specimen
from Winton, Queensland, Australia
34 x 24 mm x 12 mm of maximum thickness
Weight: 18.7 grams
Blue and green colours

     

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

   

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
47 x 34 mm x 14 mm of max. thickness
Weight: 34.2 grams
Light blue colours with some green.

     

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
40 x 26 mm x 12 mm of max. thickness
Weight: 22.6 grams
Blue and green colours.

     

Conglomerate of fossil plants with white opal inclusions, polished on both sides
from Opalton via Winton, Queensland, Australia
80 x 60 mm x 9 mm of maximum thickness
Weight: 83 grams
Inclusions of white opal with various colours with red (not showing on pictures)

     

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
36 x 28.6 mm x 13 mm of max. thickness
Weight: 17.6 grams
Blue and green colours.

   

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
41 x 22 mm x 9 mm of max. thickness
Weight: 9.9 grams
Brilliant various colours with some red.

       

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
69 x 36 mm x 14 mm of maximum thickness
Weight: 66 grams
Blue and green colours

         

Polished natural opalised sandstone specimen from Opalton, Queensland.
34 x 22.5 mm x 7 mm of max. thick.
Weight: 8 grams
Bright green and red colours on one side
Bright green colours on the back This specimen is natural, not treated

         

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
40 x 23 mm x 24 mm of max. thickness
Weight: 23.9 grams
Green colours

       

Natural boulder opal matrix specimen polished on one side
from Opalton via Winton, Queensland, Australia
70 X 46 mm x 12 mm of maximum thickness
Weight:48 grams
Bright green sparkles of colours
Only the face is polished; the rest of the specimen has been left in its natural state

     

Australian natural opalised sandstone specimen with only the face polished
from Opalton via Winton, Queensland, Australia
50 x 24 mm x 10 mm of maximum thickness
Weight: 11.8 grams
Very bright green colours
The back has been left in its natural state

         

Polished natural opalised sandstone specimen from Opalton via Winton, Queensland, Australia
73 X 38 mm x 18 mm of maximum thickness
Weight: 55 grams
Bright red sparkles with some green sparkles all around the stone (not properly showing on the pictures)
This specimen is natural, not treated

 

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
97 x 44 mm x 5 to 21 mm of thickness
Weight: 125 grams
Not much colours, but nice formation design of the stone

     

Polished natural opalised sandstone specimen from Opalton via Winton, Queensland, Australia
83 x 56 mm x 43 mm of max. thickness
Weight: 162.7 grams
Bright red and green colours almost all around the stone (not properly showing on the pictures, but showing better in the video)
This specimen is natural but could be treated to make it a big fairy opal .

       

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

             

Polished natural boulder opal matrix specimen slice
from Opalton via Winton, Queensland, Australia
85 x 60 mm x 13 mm of maximum thickness
Weight: 163 grams
Very bright red colours and red sparkles on one side and some bright green and some red on the other
2 faces and one end have been polished

           

Polished natural opalised sandstone specimen
from Opalton via Winton, Queensland, Australia
79 x 43 mm x 30 mm of maximum thickness
Weight: 70.4 grams
Bright red and green colours all around the stone (not properly showing on the pictures)
This specimen is natural, not treated

   

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
27 x 25 mm x 8 mm of maximum thickness
Weight: 7.55 grams (37.76 carats)
Various colours with red

 

Natural boulder opal specimen with only the opal face polished
from Opalton via Winton, Queensland, Australia
50 x 50 mm x 8 mm of maximum thickness
Weight: 24 grams
Picture stone with bright green and purple flashes of colours
Looks like a shark's head

       

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
80 x 36 mm x 14 mm of max. thickness
Weight: 45 grams
Bright green colours

     

Polished natural Australian opalized wood slab with its bark all around
from Winton area, Queensland, Australia
44 x 41 mm x 27 mm of max. thickness
Weight: 85.6 grams
Only both sides of the slab are polished
Thick vein of opal without fire, going right through with some growth rings apparent on both faces

   

Polished natural boulder opal matrix band specimen
from Opalton via Winton, Queensland, Australia
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

         

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

         

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

         

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

     

Polished natural boulder opal specimen
from Winton area, Queensland, Australia
123 mm long x 45 mm high x 17 mm at the base
Weight: 152 grams
Brilliant various colours

   

Big Australian natural boulder opal matrix specimen polished on one side
from Opalton via Winton, Queensland, Australia
80 x 58 mm x 10 mm of maximum thickness
Weight: 82.5 grams
Very bright red and green sparkles of colours
Only the face is polished
The sandstone back is only sanded