Pyrite

==Pyrite is an iron sulfides with the formula FeS2. Pyrite's colour is from metallic luster to pale yellow. Pyrite's nickname is called fool's gold because people confuse it with real gold, but sometimes, Pyrite association might have small parts of gold. The name comes from Greek meaning"in fire" or "of fire". Pyrite is assocated with other sulfides or oxides in Quartz, veins, Sedimentary rock and Metamorphic rock. The streak is from greenish brown to brownish black, the fracture is very uneven, the hardness is 6 to 6.5 and the luster is metallic.==