A highly artistic Australian Black Boulder Opal from the Koroit nut formation. 

This stone displays predominantly vibrant blue and green colouration contrasting beautifully with a range of earthtones in artistic tribal patterns electric tight pattern one side broad tribal the other. Perfect for a double sided Pattern 

Cut to a freeform shape with a high quality finishing polish.

*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 - 48.3cts approx.

Area of Mine - Koroit, Outback Queensland, Australia

Dimensions - 34.1mm x 23.2mm x 6.4mm approx.

Formation - Koroit nut

Shape - Freeform

Colours - blue, green