By the end of the First Age, the three Silmarils were lost to the three realms of the world:
—Laurelin the Gold and Telperion the Silver—which were the original holy sources of light for the world before they were destroyed by Melkor (Morgoth). Physical and Metaphysical Properties Composition : They were made from a crystalline substance called , which only Fëanor knew how to forge. Durability : They were indestructible by any force within the world. silmaril
The Oath was unbreakable. It became a psychic compass of doom, forcing the Noldor Elves to abandon the Undying Lands and chase Morgoth back to Middle-earth. This led to the (Elves murdering Elves at Alqualondë), the Doom of Mandos, and centuries of war. By the end of the First Age, the