Hematite

$Fe_2O_3$

  Family oxides and hydroxides
  Crystal system hexagonal
  Color steel grey, grey-black, red, brownih red
  Streak color brownish red
  Cleavage crystals showing 1 separation plane
  Hardness 5,5 to 6,5
  Density 5,3

Explanations: → Here List of minerals: → Here