Posted on

Australian Boulder Opal

Boulder opal has become a more popular type of opal next to black opal from Lightning Ridge and can reach prices almost as high as black opal. Most boulder opal has an undulating face as the seams are usually not straight. This means the cutting of the boulder opal can be more tiresome and messy if you are looking for symmetrical shapes.  Additionally ironstone when cut is fairly dirty to cut on the wheel and combined with water makes everything including your surrounds turn brown! Boulder opal can be light or dark like black opal and has many variations of body tone.  Some boulder opal can have ironstone in the…

Read More