Unset cut opals from Australia - Page 3 -

 

Unset cut boulder matrix opal
31 x 17 x 7 mm thick
Weight: 27.30 carats
Green and red colours on both sides
(Reversible stone)
Origin: Winton, Queensland, Australia

   

Big unset cut boulder opal
23 x 14 x 6.4 mm thick
Weight: 17.5 carats
Various light colours
Origin: Winton, Queensland, Australia

     

Unset cut boulder opal
23 x 9.5 x 3.7 mm thick
Weight: 5.5 carats
Bright green colours with some red
Origin: Winton, Queensland, Australia

   

Unset cut crystal opal
19 x 14 x 4.4 mm thick
Weight: 7.6 carats
Play of bright light green colours
Origin: Winton, Queensland, Australia

   

Unset cut grey opal
22 x 15 x 4.5 mm thick
Weight: 10 carats
Play of various colours with red
(small crack on one side)
Origin: Lightning Ridge, N.S.W., Australia

   

Unset cut white opal
23 x 15 x 3.4 mm thick
Weight: 6.35 carats
Play of bright red colours
Origin: Lightning Ridge, N.S.W., Australia

   

Big unset cut natural boulder matrix opal
44 x 33 x 8 mm thick
Weight: 132 carats
Bright green colours
Origin: Winton, Queensland, Australia
Suitable for a Western style belt buckle

   

Unset cut crystal opal
23 x 14 x 4.9 mm thick
Weight: 10 carats
Play of bright green colours
Origin: Winton, Queensland, Australia

     

Unset cut crystal opal
22 x 11 x 5.3 mm thick
Weight: 8.5 carats
Transparent opal with large rolling flashes of bright green colours
Origin: Winton, Queensland, Australia

Unset cut boulder opal
14 x 13 x 4.2 mm thick
Weight: 5.5 carats
Various colours with bright red
Origin: Winton, Queensland, Australia