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A pastel rainbow boulder opal heart with a striped pattern
86 Ct wood replacement opal in a classic rectangle shape
A lovely small teardrop boulder opal from our inexpensive range
A small bright rainbow boulder opal
32 Ct wood replacement heart opal
8.22 Ct 3D wood replacement opal Tucson A pastel rainbow boulder opalA lovely 8. 22 Ct wood replacement opal with a half circle shape and soft corners. 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
US$ 39.99
US$ 1950.00
US$ 38.00
US$ 10.50
