3.51 Ct wood replacement opal Type_Carving A beautiful 2

A beautiful 2

110 x 50 mm

Opal formation commences when silica dissolves in water

A small pastel heart boulder opal with light pink

An amazing rainbow striped boulder opal with an unusual golden-hued body tone (background)

3.51 Ct wood replacement opal Type_Carving A beautiful 2A stunning rectangle green 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