Page 4 of Australian opals (loose opals) direct from the mines:

     

Natural Australian boulder opal
from Winton, Queensland
20.5 mm x 12 mm x 5 mm thick
Weight: 9 carats
Blue opal

Product Code: CM56

$360.00 USD

     

Natural Australian boulder matrix opal
from Opalton, Queensland
24.5 mm x 12.5 mm x 7 mm thick
Weight: 14.47 carats
Bright electric blue/green colours

         

Round Natural Australian boulder opal
from Opalton, Queensland
31 mm of diameter x 4.5 mm thick
Weight: 41.5 carats
Green colours on both sides of the stone
( Reversible stone)

     

Natural Australian boulder opal
from Winton, Queensland
13.3 x 10 x 3.9 mm thick
Weight: 4 carats
Bright red colours with some green

     

Natural Australian boulder opal
from Winton, Queensland
11 x 8 x 3.5 mm thick
Weight: 3.4 carats
Boulder opal full of red colours

   

Natural Australian boulder opal matrix
from Opalton, Queensland, Australia
30 mm x 12 mm x 6 mm thick
Weight: 17.20 carats
Full of various bright colours

       

Natural Australian boulder opal
from Winton, Queensland
10.8 x 7.8 x 3.3 mm thick
Weight: 2.4 carats
Various colours with bright gold/ orange

     

Natural Australian crystal opal
from Winton, Queensland
17.3 x 9 x 3 mm thick
Weight: 3 carats
Play of various bright colours

     

Natural Australian boulder opal
from Winton, Queensland
27 x 10 x 5 mm thick
Weight: 8.8 carats
Various bright colours with bright red

       

Natural Australian opal
from Winton, Queensland
28 x 19.9 x 4 mm thick
Weight: 17 carats
Play of various colours with rolling red/orange

       

Natural Australian crystal opal
from Winton, Queensland
27 x 11 x 5.3 mm thick
Weight: 11.5 carats
Sparkles of bright green colours
The face of this opal is slightly wavy

     

Big natural Australian black opal
from Lightning Ridge, New South Wales
34.6 x 18.4 x 6 mm thick
Weight: 27 carats
Blue and green colours

     

Natural Australian crystal boulder opal
from Winton, Queensland
33 mm x 19.4 mm x 8.3 mm thick
Weight: 47.6 carats
Blue crystal opal

     

Natural Australian boulder opal
from Winton, Queensland
15.4 x 13 x 3.9 mm thick
Weight: 7.7 carats
Various bright colours

     

Natural Australian opal
from Lightning Ridge, New South Wales
15.7 x 10.4 x 3 mm thick
Weight: 3 carats
Play of bright various colours with green and red

     

Natural Australian crystal opal
from Winton, Queensland
38 x 13.7 x 5.6 mm thick
Weight: 15.5 carats
Bright light green colours

     

RARE Australian treated matrix opal
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

       

Natural Australian crystal opal
from Winton, Queensland
High free form cabochon
23 x 12.4 x 6.2 mm thick
Weight: 10 carats
Play of bright varied colours
Appears mostly bright green or bright pinkish red depending of the light source

         

Natural Australian crystal opal
from Winton, Queensland
High free form cabochon
16.2 x 12.6 x 6.3 mm thick
Weight: 8.3 carats
Bright green colours with some pink colours

           

Natural Australian opal
from Lightning Ridge, New South Wales
17.2 x 8.4 x 5.6 mm thick
Weight: 5.4 carats
Full of various bright colours on both sides
(Reversible stone)

       

Natural Australian opal
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 reversible opal pendant

       

Natural Australian opal
from Winton, Queensland
Free form cabochon
23.4 x 13.7 x 5.9 mm thick
Weight: 10.7 carats
Play of bright varied colours with red

       

Natural Australian crystal opal
from Lightning ridge, New south Wales
14.6 x 11.7 x 3.6 mm thick
Weight: 3.8 carats
Strong bright colours with rolling bright green and golden orange colours

     

Natural Australian boulder opal
from Winton, Queensland
15.3 x 10.3 x 4.4 mm thick
Weight: 5.9 carats
Bright colours with bright red orange
The face of this opal is wavy

           

Natural Australian black opal
from Lightning Ridge, New South Wales
13.8 x 12 mm x 4.2 mm thick
Weight: 4.6 carats
Full of bright electric colours

         

Bright natural Australian crystal opal
from Winton, Queensland
15.8 x 10 x 4.6 mm thick
Weight: 5.75 carats
Very bright colours with red

     

Natural Australian boulder opal
from Winton, Queensland
19.4 x 11.2 x 4.2 mm thick
Weight: 11.6 carats
Bright green opal