0.49 Ct extra small gem crystal opal Type_Set 91 Ct wood replacement opal

91 Ct wood replacement opal in a modern half circle shape

A lovely small purple boulder opal specimen

At our Russells opal mine we have found that this silica solution occupies a void most probably left by decaying tree roots or branches

Natural solid boulder opal specimen

36 Ct wood replacement opal in a classic squarish shape

0.49 Ct extra small gem crystal opal Type_Set 91 Ct wood replacement opalA lovely small crystal opal that is light green. Opals in our 'Create a Parcel' can be paired together to create a great value boulder opal parcel. When you purchase 2 or more opals from our 'Create a parcel' category, you receive a 15% discount on them. Prices are calculated at checkout.