Boulder Opal Single Split Rub. 27.60 Carats

Boulder opal single split rubbed on wheel.

Sliced to shape on saw and ready for finishing.

Precious opal formations across front face.

Swirling patterns of brilliant red and green opal.

Colour bar appears to run under surface ironstone.

Hints of brilliant blue purple opal on top corner.

Ideal to explore and cut to jewellery stones.

High density ironstone host rock mined at Winton.

Approx. size: 17 x 17 x 8 mm

Approx. weight: 5.52 grams (27.60 Carats)

Photographs taken under indoor white light.