4 Nice Rough/Sliced Koroit Opals 388cts Patterns Some Fires Red/Blues Au

I have for sale 4 Nice Rough/Sliced Koroit Opals from Koroit, Queensland Australia.  These weigh 388cts in total. Irosntone base material all with Patterns through them,  some Fires in places aswell.  One has Orange/Reds following a border round a nut core. Then otrhers have Blue/Purples and some Green Fires to look at.,  Excellent Specimens, and should clean up some interesting Freeforms/Cabs once cleaned up,.,.,. Thanks for looking,.,.