Ithildin
Ithildin was a substance made by the Elves out of the metal mithril and used by the Gwaith-i-Mírdain in constructions such as gateways. Ithildin could only be seen by the reflected light of the Moon and stars, and even then remained hidden until a " magic " word was said.
Ithildin was a substance made by the Elves out of the metal mithril and used by the Gwaith-i-Mírdain in constructions such as gateways. Ithildin could only be seen by the reflected light of the Moon and stars , and even then remained hidden until a " magic " word was said. The designs on the Doors of Durin were made from this substance.