Australian Opal Cutters presents a Stainless Steel Triplet Opal Pendant featuring a 1.57 ct oval-shaped Triplet Opal. This opal is classified by the Opal industry as Natural Opal Type 4 - Triplet Opal, a Genuine Natural Australian Gem Crystal Opal characterized by a hydrated amorphous form of silica (SiO2nH2O) with spheres of silicon dioxide molecules arranged in regular, closely packed planes. It is backed by Australian Black Opal potch and capped with a cabochon layer of silica quartz. These layers possess identical coefficients of thermal expansion and are guaranteed for life against delamination. Furthermore, the opal is guaranteed free of dyes and artificial colors