A Trimmed Piece Of Rough Koroit Boulder Opal Showing Opalized Wood -

A trimmed piece of rough Koroit boulder opal showing opalized wood -

Sliced rough Koroit boulder opal - opalized wood #koroit #koroitopal #boulderopal #opal

Slicing rough Koroit opal containing opalized wood -

Slicing rough Koroit opal from The Comet mine

Watch as Miki shows every step of cutting boulder rough opals !

Lets Cut Boulder opal - DO NOT slice boulder opal this way!!

High frequency ROUGH BOULDER OPAL piece

Koroit Opal Company

A colorful slice of rough Koroit opal -

Daily Dose of Opal #30 - Wood Fossil Queensland Boulder Opal

Opal Whisperers (Outback Opal Hunters)

Slicing beautiful rough Koroit opal

Pair Fossilised wood boulder opals from ShangrilaGems

223cts colourful opalized wood fossil, pipe boulder opal rough parcel, 11 pieces

Calvin GemOpals

opalized wood specimen with intense play of color .

Mining a piece of rough Koroit opal -

Slicing gorgeous rough Koroit opal at The Comet

Slicing a piece of rough Koroit opal from The Comet mine -

368cts boulder opal rough parcel, opalized wood, 12 pieces in the parcel

Calvin GemOpals

63cts opalized wood fossil and pipe boulder opal rough parcel, 10 pieces

Calvin GemOpals

Australian SOLID Opal Rough/Rub 999CT Boulder opal

Chasing Boulder Opal. Carve Away And See What You Get.