28.6cts - Tribal Pattern Koroit Boulder Opal

This Koroit solid boulder opal has a magnificent and artistic tribal pattern with flashes of electric green, oceanic blue and purple.

Cut to a freeform shape, perfect for Men’s or Women’s jewellery creations or to add to your collection.

Total weight - 28.6cts

Area of Mine - Koroit, Outback Queensland, Australia 

Dimensions - Approx 25mm x 21mm x 6mm 

Pattern - Tribal pattern 

Formation - Koroit nut natural, untreated matrix   

Shape -  Freeform Shape

Colours - Green, blue, purple, earth coloured motherstone