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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
A lovely 12
A lovely boulder opal specimen from our Yaraka opal mine
A lovely pastel and caramel boulder opal pair
29 Ct boulder opal is an impressive gem that showcases blues
Also has a smaller sister
8.43 Ct wood replacement opal Shape_Heart A lovely 12A lovely 8. 43 Ct wood replacement opal in a hexagon 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 process results
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