6.27 Ct 3D Wood replacement opal Inner world A lovely blue

A lovely blue

Sits on its side in three different directions

if you are after a matching heart set

A lovely small boulder opal from our inexpensive range

36 Ct wood replacement opal in a classic squarish shape

6.27 Ct 3D Wood replacement opal Inner world A lovely blueA lovely 6. 27 Ct wood replacement opal in a classic squarish shape. 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