Chalcedony; Gems; Jade; Chalcedony used as gems; Cultured pearls; Gemstone jewelry; Imitation pearls; Jade jewelry; Jewellery charms; Jewellery, precious and semi-precious stones; Pearls; Precious and semi-precious stones; Precious gemstones; Semi-precious gemstones; Key rings comprised of split rings with decorative fobs or trinkets