On Fri, 23 May 2008 22:59:11 +0300 Lucian Langa <cooly at gnome.eu.org> wrote: > > > The mineral pyrite, or iron pyrite,is an iron sulfide with the formula > FeS2. Hm. pyrite is commonly known as "Fool's Gold". Also, what is the "is a" connection there? Sulphur is a... Pyrite is a... josh