Mineralogy Database

Pyrrhotite Mineral Data

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General Pyrrhotite Information

Help on Chemical  Formula: Chemical Formula: Fe(1-x)S (x=0-0.17)
Help on Composition: Composition: Molecular Weight = 85.12 gm
   Iron    62.33 %  Fe
   Sulfur  37.67 %  S
          100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+0.95S
Help on Environment: Environment: Wide spread occurrences in igneous and metamorphic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1835
Help on Locality: Locality: Sudbury, Ontario, Canada and Santa Eulalia, Chihuahua, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, phrrhotes, "redness," in allusion to color.
Help on Name Pronunciation: Name Pronunciation: Pyrrhotite + Pronunciation Say PYRRHOTITE
Help on Synonym: Synonym: Magnetic pyrites