2.50 Ct 3D Wood replacement opal Parcel you receive a 15% discount

you receive a 15% discount on them

Mined by Sue at her Yaraka opal mine in Queensland

A wonderful rainbow rectangle boulder opal

the organic molecules are replaced by silica

2.50 Ct 3D Wood replacement opal Parcel you receive a 15% discountA stunning purple 2. 50 Ct wood replacement opal in a teardrop 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