1.32 Ct heart wood replacement opal Crystal

1.32 Ct heart wood replacement opal CrystalA 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

gold and orange hues

including pink-red and orange-gold colours

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

A small and beautiful rainbow boulder opal

A small pastel heart boulder opal with light pink

A lovely extra small marquise shaped boulder opal

A gorgeous green-blue boulder opal

Mined by Sue at her Yaraka opal mine in Queensland

Mined by Sue at her Mt

An amazing rainbow striped boulder opal with an unusual golden-hued body tone (background)

A beautiful purple 9

but because the remaining internal structures create a mesmerizing inner world that is visible through the transparent and  translucent opal