10.99 Ct wood replacement opal Colour_Purple A gorgeous flashy green-blue triangle

A gorgeous flashy green-blue triangle boulder opal

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

A beautiful small teardrop boulder opal

A beautiful small 2

Opal formation commences when silica dissolves in water

10.99 Ct wood replacement opal Colour_Purple A gorgeous flashy green-blue triangleThis special sub type of wood replacement opal looks similar to matrix opal with a lighter coloured host rock and bright opal veins. It is hard to get in larger sizes like this, so don't miss out. If you want to create a double sided piece, this opal is polished on the front and more matt on the back. Both sides are gorgeous.