7oz Andamooka Matrix Opal, Beautiful Massive Stone Full Of Colour. Not often you get this size opal. This one has been test treated so you can see its potential. Either if you a cutter or enjoy collecting specimen rocks you will be hard pressed to fin something like this for this price. It has size and colour. Top is full or red and the treatment is going black further enhancing the colours. Side has two thick bars of reds and blues all around the rock. It is quite special. Cutting you will 5x to 10X your money as it will cut dozens of big stones. 100x70x30mm
