Striking yet simple. Deep onyx stones are set in silver posts. Easy, everyday earrings. Handmade silver posts- butterfly earbacks. 4mm stones. Sterling silver, which has been oxidized and hand polished for an antique finish. About Onyx: The name onyx originates from the Greek word onyx for "fingernail" or "hoof," probably because of its weak transparency or possibly its color. Onyx is one of the 12 stones mentioned in the Bible as adorning the breastplate of the high priests. The ancient…