Opal Stone Necklace Jewellery at Ashley Bruny blog Sterling Silver Blue Opal Oval Pendant & Chain Opal Necklace UK Gold Opal Necklace Pendants in 14 Styles Dainty, Round, CZ Opal Pendant: Oval White Opal in Silver Frame on Chain Pendants Opal Pendant Etsy Petra Class Handmade Link Chain Australian Opal Doublet Gold Pendant. Includes: A matching box. Style: Minimalist Material: 925 sterling silver, platinum plated, opal Care: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide, which causes the jewelry to deteriorate and corrode over time. Imported Gemstone origin: Australia Product measurements: Chain length: 15. 7 in Extension chain length: 2 in Weight: 0. 06 oz (1. 7 g)