A silver to yellow, metallic mineral consisting of iron and sulfur. It is used as a source of iron and in making sulfur dioxide. Because of its shiny look and often yellow color, it is sometimes mistaken for gold and for this reason is also called fool's gold.
Adapted from "pyrite." (n.d.) The American Heritage® Dictionary of Student Science, Second Edition. (2014). Retrieved December 7 2015 from http://www.thefreedictionary.com/pyrite