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Description

4.65 Ct wood replacement opalA pretty half circle wood replacement opal with light green and purple colours. What is Wood Replacement opal? Opal formation commences when silica dissolves in water. At our Russells opal mine we have found that this silica solution occupies a void most probably left by decaying tree roots or branches. In cases where the silica infiltrates organic material before complete decomposition occurs, the organic molecules are replaced by silica. This

Consequently

A lovely light green pair of teardrop boulder opals

the wood structure remains visible within the opal

We cut it into a circle to give it a a modern edge

A beautiful small striped boulder opal with rainbow colours

This beautiful 15

A beautiful small light and dark blue boulder opal

A beautiful and unique large triangle boulder opal

Opal ID 3316 is a small and bright boulder opal with lovely light tropical green-blue colours

A wonderful rainbow boulder opal with an unusual darker lilac body tone

Mined by Sue at her Yaraka opal mine in Queensland

10 mm thick