Fool's Gold, Iron Pyrite
Fool's Gold is another name for Iron Pyrite, or more accurately, Iron Disulfide.
It is comprised of one Iron molecule and two Sulphur molecules. It has often been called Fool's Gold because the minerals metallic appearance and the fact that it invariably appears under the same conditions as gold has often caused it to be mistaken for the precious metal, gold.
Comes with velvet pouch.