Nice Rubbed/Rough Boulder Opal 263.5cts Queensland Australia Red/Green Fires/Pattern

I have for sale a Nice Piece of Rubbed Boulder Opal from Queensland Australia. This one weighs 263.5cts and is 51x45x20mm.  It has a rubbed out pattern, Nut Core at one side of the face with Bands of Opal through it. red/Orange and some Blue/Greens when moved. Nice piece and will finish up a Unique specimen/Freeform too in the right hands,.,. Thanks for looking,.,.