9.73 Ct 3D wood replacement opal Type_Tiny

9.73 Ct 3D wood replacement opal Type_TinyA beautiful purple 9. 73 Ct wood replacement opal in a classic teardrop 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

A stunning 1

96 Ct wood replacement opal in a soft half-circle shape

29 Ct wood replacement opal

51 Ct wood replacement heart opal

blue and grey boulder opal specimen

20 mm thick

24 Ct wood replacement opal in a large teardrop shape

A wonderful large teardrop light green and blue wood replacement opal

A lovely full spectrum boulder opal with a dark body tone

A stunning purple 2

A beautiful small light and dark blue boulder opal

It also has a jet black body tone