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

Dimensions - 33

A large Australian Boulder Opal Tribal Specimen from the Yowah nut formation

blue and green colouration in playful flag and floral patterns

44grams (stone and setting)

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