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A small and bright blue boulder opal
In cases where the silica infiltrates organic material before complete decomposition occurs
A lovely small boulder opal from our inexpensive range
Our “wood replacement” opal is truly exquisite
A beautiful black boulder opal with bright greens and blues
4.86 Ct 3D Wood replacement opal Inner world A small and bright blueA lovely 4. 86 Ct wood replacement opal in a classic rectangle 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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US$ 14.00
