pyrite

• I don't think so Had bony Johnny, the accomplished actor, heard this, he would have bowed his head in shame and decided to give up the pursuit of excitement and go back to teaching the youth of the United States that a pyrite is a native compound rock containing metals, and not a fellow with a cutlass in his teeth Johnny thought he was in the company of a Tant outlaw. —  048 - The Derrick Devil
• Gold at the Prince of Wales showings is associated with massive to disseminated sulphides, including arsenopyrite, pyrite, pyrrhotite and chalcopyrite in silicified zones spatially associated with a diorite - sediment contact within Late Paleozoic Knob Hill Group rocks. —  Marketwire - Breaking News Releases
• The state spent two years and $83 million digging up more than one million cubic yards of the pyrite-laden rock and created a lined landfill next to the highway, mixing a larger-than-normal amount of limestone in to neutralize it and then covering it over with more fill. —  Libertarian Blog Place
• To that end, Wadia and his colleagues found that iron pyrite-better known as fool's gold-was several orders of magnitude better than any of the alternatives, based on both cost and abundance.
• No detectable quantities (≈ 1 wt\%) of pyrite or oxidized forms of sulphur were found in this coal. —  CiteULike: Everyone's library

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