1.32 Ct heart wood replacement opal Parcel A beautiful rainbow striped boulder

A beautiful rainbow striped boulder opal

A lovely small rainbow boulder with a lighter lilac-tone background

Also has a smaller sister

Add it to your collection and experience the natural wonder of this rare gemstone

Opals in our 'Create a Parcel' can be paired together to create a great value boulder opal parcel

1.32 Ct heart wood replacement opal Parcel A beautiful rainbow striped boulderA lovely 1. 32 Ct wood replacement heart 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