Pyrrhotite

Name:
Pyrrhotite
Detailed information:

Chemistry name:	magnetic pyrites; pyrrhotine
M Formula:	FeS
Properties:
Brownish-bronze color, black streak, metallic luster. Slightly magnetic. Hardness 4. D 4.6.
Occurrence:
Tennessee, Pennsylvania, Europe, Canada.
Use:
Ore of iron, manufacture of sulfuric acid.