Australian Opal Cutters presents a Stainless Steel Pendant adorned with a 2.40 ct Australian Triplet Opal. This opal is classified by the Opal industry as Natural Opal Type 4 - Triplet Opal, a Genuine Natural Australian Gem Crystal Opal. It features a hydrated amorphous form of silica (SiO2nH2O) with spheres of silicon dioxide molecules arranged in regular, closely packed planes. The opal is reinforced with a backing of Australian Black Opal potch and topped with a cabochon layer of silica quartz. These layers share the same coefficient of thermal expansion and are guaranteed for life against delamination. Additionally, the opal is certified free of dyes and artificial colors