A beautiful Australian Boulder Opal Tribal Specimen from the Koroit nut formation with colour and pattern showing in the skin of the nut.

This stone displays deep blue and electric green colouration contrasting with dark earth tones in intricate tribal patterns unique to the area.

Cut to a large freeform shape with a quality finishing polish. Perfect for display or re-cutters delight with serious value add potential To be Polished into finished jewellery style piece/s

*This stone unfortunately is not very photogenic as is typical of tribal or pinfire patterned stones, please be aware that this piece displays a good 30%-50% better in real life!

Total weight - 357.5cts approx.

Area of Mine - Koroit, Outback Queensland, Australia 

Dimensions - 51.7mm x 49.9mm x 16.1mm approx.

Formation - Koroit nut

Shape - Freeform

Colours - blue, green