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On offer is a Koroit Boulder Opal rough parcel from Koroit, Central Queensland,
This parcel would be perfect to practice the art of cutting with a chance of getting some lovely gemstones.

The pieces are wet to bring out their colours.
The Ruler is in millimetres.
Measurements are rounded down and approximated.

Colour: Please note the camera has been white-balanced to give more accurate colours. NO Photo Shopped enhancement.