5.88 Ct 3D Wood replacement opal Type_Tiny

5.88 Ct 3D Wood replacement opal Type_TinyA lovely 5. 88 Ct wood replacement opal in a classic rectangle 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

blue and purple wood replacement opal

A lovely deep purple and violet boulder opal

15 Ct wood replacement opal

36 Ct wood replacement opal in a classic squarish shape

and turquoise

Our “wood replacement” opal is truly exquisite

Sits on its flat base in one direction

55 Ct green-blue boulder opal is a small yet bright gem with stunning colors

A lovely small boulder opal from our inexpensive range

with a lovely swirly pattern

47 Ct triangle boulder opal with gem-grade rainbow stripes

but because the remaining internal structures create a mesmerizing inner world that is visible through the transparent and translucent opal