12.36ct Opal Australian Boulder Doublet on Matrix In Sterling Silver 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 freeform shape and is a doublet. A doublet is a type of assembled gem composed in two sections. This stone is a thin layer of opal bonded to the matrix rock. This is a flashy, very nice pendant. Total size of this pendant is 27 x 13 x 4 mm. Shipped Free with USPS First Class Package. Item 164878114506 on our Ebay listings. #BoulderOpal #GrandIllusionRanch #OpalPendant #HandForged #OpalInSilver #GreatGift #FinestKind #OpalJewelry #GreatGift https://www.instagram.com/p/CPPTe4ah5rP/?utm_medium=tumblr