Andean Opal: Opal with Amazonite Necklace This necklace focuses on a 20mm hand cut, matt amazonite round, framed by sterling silver discs, flanked by matt first grade Andean opal rounds, hand brushed, holed sterling silver spheres, framed by polished hand cut chrysocolla hexagons, with gradated polished Andean opal rounds tapering towards the back. Click here to go back to the Andean Opal main page.