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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
A stunning small pastel teardrop boulder opal
A very unusual and bright sea green boulder opal
When you purchase 2 or more opals from our 'Create a parcel' category
A very pretty green-blue boulder opal
A dreamy large ocean boulder opal with bright green and blue colours
8.35 Ct wood replacement opal Inner world A stunning small pastel teardropA lovely 8. 35 Ct wood replacement opal in a free form 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
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