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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
~ 87 carats / 17
A wonderful large teardrop light green and blue wood replacement opal
36 Ct oval boulder opal boasts an impressive array of colours which span the majority of its surface
28 Ct wood replacement opal in a classic rectangle shape
3.53 Ct 3D Wood Replacement opal Mine_Yaraka ~ 87 carats / 17A lovely 3. 53 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
