19.5cts - Queensland Boulder Seam Opal. Ice Blue Australian Opal rough This stone displays flashes of

This stone displays flashes of blue and green colouration contrasting with a range of gorgeous earth tones in tribal patterns

This stone displays vibrant green and blue colouration contrasting with potch opal and a gorgeous range of earth tones in intricate tribal patterns unique to the area

Stone - Solid Queensland Boulder Seam Opal

complimentary gems -  32 x natural round brilliant cut

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

19.5cts - Queensland Boulder Seam Opal. Ice Blue Australian Opal rough This stone displays flashes ofA 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