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In cases where the silica infiltrates organic material before complete decomposition occurs
06 Ct boulder opal is an beautiful gem that showcases vibrant rainbow hues
27 Ct wood replacement opal in a classic squarish shape
A fun free-form boulder opal with green
3.20 Ct 3D Wood Replacement opal Colour_Pink In cases where the silicaA lovely 3. 20 Ct wood replacement 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 meticulous
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