17.4cts - Solid Queensland Boulder Black Black Opal

A beautiful solid Queensland Boulder Black Opal.

 Displaying blue/green colouration on a black/chocolate body tone.

Cut to a freeform shape, perfect for jewellery creation or to add to your collection.

Total weight - 17.4cts

Area of Mine - Winton, Queensland, Outback Australia 

Dimensions - 30mm x 12mm x 5mm (approx.)

Formation - Boulder seam

Shape - freeform

Colours - green, blue