1.92 Ct 3D Wood Replacement opal Type_Tiny Each sold separately

Each sold separately

A very pretty pair of oval boulder opals

A lovely 2

A stunning purple 2

22 Ct wood replacement opal with a half-circle shape and soft corners

1.92 Ct 3D Wood Replacement opal Type_Tiny Each sold separatelyA stunning 1. 92 Ct wood replacement opal. 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 remarkable process results in the