Orichalcum Ore

Orichalcum Ore is a magenta-colored Hardmode Ore which can replace Mythril in a given world. Like all Hardmode Ores, Orichalcum is generated upon destruction of a Demon Altar with a Pwnhammer or any better hammer.

Trivia

 * In real life, orichalcum is a legendary metal described by Plato in his work Critias to have been mined in the lost city of Atlantis. It is suspected to have been a sort of alloy involving copper.