4.75oz Andamooka Matrix Opal, In The Rough, Huge Stone Full Of Colours. Untreated matrix is a huge money maker. Can be sliced and shaped to dozens of stones. Showing very bright greens and blues throughout. Also a good large collectable piece. Most of these get sliced and sold in smaller pieces so it is rare to get such a heavy stone with bright colour. 2.5x1.6x1.5 inches
