16.4cts - “Chemical Flames” Tribal Queensland Boulder Opal from Koroit Squared Great size to make a

Great size to make a ring or small pendant

Cut to a large freeform teardrop shape with a quality finishing polish

Quantity - 15x pieces

Weight - 200

green and blue colouration in flag patterns

16.4cts - “Chemical Flames” Tribal Queensland Boulder Opal from Koroit Squared Great size to make aA gorgeous Australian Boulder Opal from the Koroit nut formation. This stone displays blue and metallic green colouration contrasting with dark ochre earth tones in tribal patterns in unique to the area. Cut to a freeform shape with a quality finishing polish. Total weight 16. 4cts approx. Area of Mine Koroit, Outback Queensland, Australia Dimensions 21. 1mm x 14mm x 7. 2mm approx. Formation Koroit nut Shape Freeform Colours blue, green