In Nogrod, Eöl ‘learned much of metalwork, and came to great skill therein; and he devised a metal as hard as the steel of the Dwarves, but so malleable that he could make it thin and supple; and yet it remained resistant to all blades and darts. He named it galvorn, for it was black and shining like jet, and he was clad in it whenever he went abroad.’ - Of Maeglin, The Silmarillion.

Eöl, via La Magia en Arda

Eöl's personal journal: entry the first

Completely not to my surprise, for my inventions never survived into the lore books written by the Noldor, the word “galvorn” yields no result in this website. However, upon searching for “black metal” instead, for that would be the most proper translation, yielded far different - and far unusual - results. What is this? Perhaps I should seek counsel with a minstrel.