4.65 Ct wood replacement opal Inner world

4.65 Ct wood replacement opal Inner worldA pretty half circle wood replacement opal with light green and purple colours. 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

Consequently

A stunning rectangle green wood replacement opal

This majestic 6

24 Ct bright ocean boulder opal boasts a mesmerizing teardrop shape with stunning ocean green and blue tones

and turquoise

Their round shape and swirly patterns remind us of two beautiful planets

21 Ct boulder opal is a rare gem that showcases bright pink and green with a black body tone

A very unusual and bright sea green boulder opal

A lovely small and colourful boulder opal specimen

A lovely small light triangle opal with pastel colours

A beautiful cloud opal with a purple inner glow

48 Ct wood replacement opal in a classic rectangle shape