Quality Freeform Boulder Opal Cab 28.6cts Multicolour Veins/Fires Opalton Queensland Australia

I have for sale a Good Quality Boulder/Matrix Opal Freeform from Opalton, Queensland. This one weighs 28.6cts and is 33x18x4mm. Hard/Dark ironstone with Bright Crystal/Milky Opal veins running through it. This has lots of Greens and some Blues, then Oranges/Golds when moved. Double sided pattern, one side slightly more Pattern. There is a small fracture in one section of opal. Make a superb pendant, Glint in the sun. Thanks for looking.