Pyrrhotite
= Pyrrhotite
An iron sulfide with composition often written $\mathrm{Fe}_{1-x}\mathrm S$. Its structure and composition determine whether it carries strong <magnetization>; not all varieties behave identically.
= Pyrrhotite
An iron sulfide with composition often written $\mathrm{Fe}_{1-x}\mathrm S$. Its structure and composition determine whether it carries strong <magnetization>; not all varieties behave identically.