Chemical Formula: Cu5FeS4
Help on Composition: Composition: Molecular Weight = 501.84 g
 
Sulfur 25.56 % S 0.00 % 0.00 %
Iron 11.13 % Fe 0.00 % 0.00 %
Copper 63.31 % Cu 0.00 % 0.00 %

100.00 %
 
Help on Empirical Formula: Empirical Formula: Cu5Fe2+S4
Help on Environment: Environment: Disseminated in igneous intrusions and a primary and secondary mineral in copper ore veins
Help on Locality: Locality: Cornwall, England and Arizona porphyry copper deposits.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Austrian mineralogist, I. von Born (1742-1791)
Help on Synonym: Synonym: