Nice Rubs/Rubbed Preform Koroit Opals x2 Qld Au 65.3cts Patterns/Fires Australia

I have for sale a Nice Pir of Koroit Opal Rubs/Preforms from Australia. Queensland Ironstone Base pieces, both very different, with Patterns and Fires in them.  The smaller one has Light Base Brown and Red ironstone with some Blue Veins/Patterns. The larger has Darker ironstones, conglomerate/matrix  with Great patterns and mostly bright Green Fires. Both will finish up nice Usable stones, Pendants/Specimens or add to a collections.. Unique and interesting material,.,.  Thanks for looking,.,.