19.5cts - Queensland Boulder Seam Opal. Ice Blue Australian Opal rough Lapidary Hobbyists and enthusiasts looking

Lapidary Hobbyists and enthusiasts looking for Lightning Ridge Opal material to learn on without fear of wasting valuable colour

blue and green colouration in flag and pinfire patterns

This stone displays suspended vibrant orange

A beautiful Queensland Boulder Opal Rough piece

Pattern - fire flash / sheen

19.5cts - Queensland Boulder Seam Opal. Ice Blue Australian Opal rough Lapidary Hobbyists and enthusiasts lookingA beautiful Australian Boulder Opal from Winton, Outback Queensland. This stone displays blue, green, orange and yellow colouration in flag and pinfire patterns. Cut to a freeform shape with a quality finishing polish. Total weight 19. 5cts approx. Area of Mine Winton, Outback Queensland, Australia Dimensions 31. 2mm x 12. 2mm x 7. 5mm approx. Formation Seam opal Shape Freeform Colours blue, green, yellow, orange