3.00 Ct wood replacement heart opal Shape_Heart

3.00 Ct wood replacement heart opal Shape_HeartA lovely 3. 00 Ct wood replacement heart 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

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

0 mm drilled hole through its side

A sweet extra small boulder opal heart pair

28 Ct wood replacement opal in a classic squarish shape

A larger boulder opal heart with a thick green-blue opal stripe

A lovely small rainbow boulder with a lighter lilac-tone background

4 mm is it also a very versatile size

A small and pretty green-blue boulder opal heart

A lovely bright green-blue rectangle boulder opal

this opal is truly unique and one-of-a-kind

A lovely soft grey and blue boulder heart opal pair

with a lovely swirly pattern