Nice Rough/Sliced Boulder Opal parcel 300cts Queensland Australia patterns/Fires

I have for sale a Nice Parcel of Rough/Sliced and Rubbed Boulder Opals from Queensland Australia. These weigh 300cts in total. They are Ironstone base material all with some Pattern/Colour/Veins/Opal over the faces.  Great Specimens/Practice material, and pendants/Freeforms once worked through. All have some colour, some better than others here. Blue/Greens mostly.  Thanks for looking..,