12.39ct Opal Australian Boulder Matrix Oval Cabochon In 14K Yellow Gold Forged Wrap Total Weight. Boulder Opal consists of concretions and fracture fillings in a dark ironstone matrix. Boulder Opal is typically found in Western Queensland, Australia. This pendant is a very beautiful oval shape with plenty of fire in the matrix. This is a typical boulder opal example. Very attractive natural pendant.  Pictures are taken in natural sunlight.     Total size of this pendant is 25 x 16 x 3 mm.    Shipped Free with USPS First Class Package.