Hematite: A primary ore of iron and a pigment mineral
It is an iron oxide with a chemical composition of Fe2O3 , Pigment, heavy media separation, radiation shielding, ballast, polishing compounds, a minor gemstone , Instead, if the specimen is magnetic and has a reddish streak, it is most likely a , a metallic luster and appears to be a rock composed of shiny mica flak...
