9.8cts - Scandinavian Aka Ice Blue Top Australian Gem Quality Boulder Seam Opal from Winton Squared Natural Crystal Opal with skin

Natural Crystal Opal with skin to skin colour from Andamooka in South Australia

orange and yellow colouration on transparent crystal opal in gorgeous rockpool patterns

A stunning Australian Boulder Opal from the Koroit Nut formation

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9.8cts - Scandinavian Aka Ice Blue Top Australian Gem Quality Boulder Seam Opal from Winton Squared Natural Crystal Opal with skinA gorgeous Queensland Boulder Seam Opal from Winton, outback Queensland. This stone displays a face of vibrant blue and bright green colouration in floral and moss patterns. Cut to a freeform rectangle shape with a high quality finishing polish. Total weight 9. 8cts approx. Area of Mine Winton, Outback Queensland, Australia Dimensions 18. 3mm x 9. 2mm x 4. 6mm approx. Formation Seam Opal Shape Freeform Colours blue, green