Starter Rock. Rough Boulder Opal Rock. 87 Grams.

Great as a starter rock for easy cutting and polishing practice.

Large and flat deposit of opal on front face of rock.

Blue crystal colour, grading from sky to sea tones.

Colour bar continues to turn and run into rock face.

Traces of potential internal seam to explore.

Can cut to finished stones or grind to a specimen piece.

High density ironstone host rock mined at Winton opal fields.

Mine Area: Central West Queensland, Australia.

Approximate weight: 87 grams.

Approximate dimensions: 6 x 4 x 2 cm

Photos taken in natural outdoor daylight.

Some photos in dry as-mined condition.

Some photos wet to simulate polishing potential of opal.