Pyrite
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Pyrite, sometimes called fools gold is a compound of iron and sulfur, iron sulfide, FeS2. Depending upon the conditions under which it forms pyrite can form crystals of different shapes, cubes are common. Pyrite is used in making sulfuric acid. Pyrite can be an agent of fossilization creating beautiful fossils, commonly ammonites and brachiopods. In the gold rush era, many people thought they had discovered gold only to realize it was pyrite, which is where it gets its nickname fools gold. Hardness 6-6.5 Metallic luster.
Mineral Properties Of Pyrite
Chemical formula: Iron Sulfide FeS2
Color(s): gold-yellow
Streak: greenish black
Luster: metallic
Transparency: opaque
Crystal system: cubic
Specific Gravity: 4.8-5
Hardness (Mohs): 6-6.5
Cleavage: indistinct
Fracture: conchoidal
Uses: used in making sulfuric acid and sulfur dioxide
Location: Rio Tinto, Spain; Quiruvila, Peru; Ontario, Canada; Elba, Italy; Llallagua, Bolivia; In the U.S.A. Utah, Colorado
