Opal displays beautiful blue and green colouration
formation - boulder wood replacement Opal
Displaying predominantly suspended blue colouration in transparent Crystal Opal
purple and yellow colouration
Displaying the very best full face of gem quality red
179.6cts - 5x Opalised Shell Geological Specimens from South Australia Red Opal displays beautiful blue and5x South Australian Opalised Shell Geological Specimens. Displaying red, orange, yellow, blue and green colouration within the now rock, shell grains. These types of specimens are ever growing in rarity, making them highly appealing to opal collectors and rockhounds. Weight 179. 6cts Quantity 5x pieces Area of mine Outback South Australian Opal Fields Formation opalised shell shell fossil replacement opal Colours red, orange, yellow, blue, green