19.2cts - Double Sided, South Australian White Opal from Coober Pedy. Great Price for Big StoneA gorgeous, solid South Australian White Opal from Coober Pedy. Displaying orange, yellow, blue and green colouration in playful rolling flash and flag patterns. Cut to a freeform shape. Weight 19. 2cts Dimensions 31. 8mm x 15. 7mm x 6. 2mm Area of mine Coober Pedy, South Australian Opal Fields Formation South Australian White Opal Colours orange, yellow, blue, green Extras Free International Airmail shipping automatically applied when purchasing this