Silvertone multi chain necklace with light green horn dangle

Very interesting multi chain necklace with a silvertone hammered circle which has an unusual long green horn. I have no idea what this horn is made of but it does appear to be a polished natural stone. See pictures for details and approximate measurements Age related patina present Ask any questions🙋‍♀️ Bundle for extra savings🛍🚐 Happy Poshing❤️🐾🐾🚐 A180