UNAPPRECIATED DEFICIENCIES. Sulfur is found in a large number of foods, and, as a consequence, it is assumed that almost any diet would meet the minimum daily requirements. Excellent sources are eggs, onions, garlic, and leafy dark green vegetables like kale and broccoli. Meats, nuts, and seafood also contain sulfur.
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.
Just keep mining. You will eventually find iron ore which you can mine with your stone pickaxe. It may take a while, but the deeper you go the higher the chance of finding iron. It's there, you just have to find it. Once you do, build a furnace and put your iron in the top and coal in the bottom and your iron will smelt into ingots, which you can use to make all sorts of nifty things.