Boulder Opal Pty Ltd are long established major miners and processors of quality Australian boulder opal material and gems. Our processing operations are located at Mackay in Queensland Aust. We offer a full range of quality cut and rough natural precious Australian boulder opal, from the finest cut gems, through to quality rough, seam / matrix, and specimen materials. As our large-scale mining and processing operations are wholly owned by our company, we are well positioned to be competitive with all others global suppliers / sources.