Board Thread:Fun and Games/@comment-29979363-20170120203844/@comment-26065088-20170121160207

http://middleearthnews.com/2014/02/04/could-the-arkenstone-be-one-of-the-silmarils/

http://middle-earth.xenite.org/2014/04/22/could-the-arkenstone-be-the-silmaril-of-maedhros/

Here are two new links concerning this topic, i like the theory tbh.