We have cut and polished a large Queensland boulder opal. We are happy with the outcome. It is a step by step guide including grinding, sawing, sanding, polishing for people who do not have much experience with boulder opal. Hope you enjoy the video!

Webpage https://www.diverseopals.com.au
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Continuous Sintered Rim Lapidary Diamond saw blade 120x0.3x5 mm
https://www.ebay.com.au/itm/143943964444

Sintered metal bond diamond grinding wheel
https://www.ebay.com.au/itm/142905131494

Starcke / Matador wet and dry paper
https://www.ebay.com.au/itm/142845127432

O-pol polishing compound
https://www.ebay.com.au/itm/143792052441

Chrome Split Leather Opal Gemstone Glass Polishing 150mm 200 mm
https://www.ebay.com.au/itm/143652808950

00:00 INTRO
02:02 OPAL GRINDING
02:17 OPAL SANDING
08:35 OPAL POLISHING
13:07 FINISHING BACK AND SIDES
13:26 FINISHED OPAL