Normal Mode Ores. 1  Copper or Tin. 2  Iron or Lead. 3  Silver or Tungsten.  Gold or 1  Platinum. Demonite or Crimtane - Corruption/Crimson - Gold or better Pickaxe required.  Meteorite - Tungsten or better Pickaxe 1  required. Obsidian - formed when water meets 2  lava. Hellstone - found in the Underworld  only.