Nice Rough Koroit/Queensland Opal Rough Parcel 809cts Patterns/Fires Ironstones

I have for sale a Nice Parcel of Rough Koroit/Matrix Opals from Queensland Australia. These weigh 809cts in total. They are Ironstone base material with some Nice Patterns/Fires through them in places. Some have fuller patterns, some only Sections areas with colour. Greens/Blues and some Reds in these.  Very Nice Specimens, Practice material, and will clean up some interesting and unique pieces once worked through,.,. All have something interest to look at and work with. Some will require a dremmel /carving aswell to get the most out of them,.,.,.  Thanks for looking,.,.