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Opals in our 'Create a Parcel' can be paired together to create a great value boulder opal parcel
45 carat boulder opal has a rare combination of colors including orange
At our Russells opal mine we have found that this silica solution occupies a void most probably left by decaying tree roots or branches
A stunning
6.36 Ct Wood replacement opal Type_Single Opals in our 'Create aA lovely 6. 36 Ct wood replacement opal in a classic squarish 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
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