3.93 Ct 3D Wood replacement opal Type_Tiny

3.93 Ct 3D Wood replacement opal Type_TinyA beautiful 3. 93 Ct wood replacement opal in a lovely half circle 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

A lovely 1

A triangle boulder opal with rainbow colours and an unusual golden body tone / background

81 Ct opal pair is the perfect addition to any collection

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

48 x 37 mm

55 Ct green-blue boulder opal is a small yet bright gem with stunning colors

43 Ct wood replacement opal in a hexagon shape

Opals in our 'Create a Parcel' can be paired together to create a great value boulder opal parcel

Mined by Sue at her Yaraka opal mine in Queensland

42 Ct boulder opal is an impressive gem that showcases vibrant rainbow hues

A lovely small triangle blue and purple opal specimen

orange and pink