2.13 Ct heart wood replacement opal Type_Pair

2.13 Ct heart wood replacement opal Type_PairA lovely 2. 13 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

An oval boulder opal with green and purples and a semi-dark body tone / background

A gorgeous free-form striped boulder opal

A lovely 8

A lovely triangle boulder opal with softer grey

52 Ct ocean-toned boulder opal radiates a striking green-blue hue with a dark body tone and flattering organic shape

A pretty green-blue triangle boulder opal

29 Ct boulder opal is an impressive gem that showcases blues

A lovely lighter green and purple boulder opal

A lovely green and purple wood replacement opal

45 Ct wood replacement opal

if you are after a matching heart set

48 Ct wood replacement opal in a classic rectangle shape