4.94 Ct 3D Wood replacement opal Type_Pair

4.94 Ct 3D Wood replacement opal Type_PairA lovely 4. 94 Ct wood replacement opal in a modern hexagon 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 process

blue and purple wood replacement opal

In cases where the silica infiltrates organic material before complete decomposition occurs

A lovely 8

A lovely blue boulder opal from our inexpensive range

A gorgeous purple boulder opal with flecks of green

A lovely purple arc boulder opal specimen

A lovely 11

sure to add magic to any jewelry piece

A lovely green and purple boulder opal pair that really sparkle in the sun

light coloured boulder opal with rainbow colours and swirling off-whites and caramels

A lovely round purple boulder opal

green and blue boulder opal