Nice Rough/Sliced Boulder Opal Parcel 1030cts Veins/Fires/ironstones Qld Au

I have for sale a Parcel of Rough/Sliced/Rubbed  Boulder Opals from Queensland Australia. These are Ironstone base, with Patterns/Veins and Opal mixed through them. Some more than others.  There is Reds/Greens and Blues in these. Great Specimens, Practice material and should be some useful pieces once cleaned up and worked through.. Lots to look at,.,.,.,.   Thanks for looking,.,.