Andamooka Hard Matrix Australian Opal 3 Pieces For Sale

9.5 CTS total . 3 pieces. these all will cut some beautiful stones . full of color and bright. the black spots are just low spots that havnt had the skin ground off yet. they've had a quick sugar treatment and been rubbed to expose color and clean up some but with another good sugar treatment these should get darker and brighter.. this stuff is the hard matrix not to be confused with rainbow matrix, and polishes up beautifuly .