5.33 Ct 3D Wood Replacement opal Price_Mid-range 84 Ct oval crystal opal

84 Ct oval crystal opal

99 Ct wood replacement opal

A beautiful and unique large triangle boulder opal

A beautiful blue and green triangle boulder opal

Its vibrant hue and exceptional clarity make it a unique and beautiful gemstone

5.33 Ct 3D Wood Replacement opal Price_Mid-range 84 Ct oval crystal opalA beautiful 5. 33 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