Andean Opal: Pale Green Opal and Gold Crochet Necklace Peruvian hand cut and polished pale green opals framing five sterling silver gradated spheres, covered with fine double stranded crocheted sterling silver wire, all plated in 18 kt Peruvian red gold, completed by gradated pale green opal hexagons and 24 kt gold plated sterling silver spacers. Click here to go back to the Andean Opal main page.