Orichalcum Ore is a magenta-colored Hardmode Ore which can replace Mythril in a given world. It can only be mined by a Cobalt Drill, Cobalt Pickaxe or higher. Like all Hardmode Ores, Orichalcum is generated upon destruction of a Demon/Crimson Altar with a Pwnhammer or any better hammer.
- On a small map Orichalcum spawns below a depth of 1,000 feet (500 tiles).
- On a medium map Orichalcum spawns below a depth of 1,400 feet (700 tiles).
- On a large map Orichalcum spawns below a depth of 2,000 feet (1,000 tiles).
- 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.
- While the in-game colour is magenta, orichalcum is speculated to be a more reddish hue.
- Selling the ore rather than the bar yields 8 more per 4 orichalcum ore.
- 188.8.131.52: Placed Orichalcum has a new texture.
- 1.2.3: Increased stack limit from 99 to 999.
- 1.2: Introduced.