Diopside

$CaMg(SiO_3)_2$

  Family inosilicates
  Crystal system monoclinic
  Color white, grey, green clair to fonce, blue-violet
  Streak color white to greenish
  Cleavage 2 clivages to 87 oge
  Hardness 5 to 6
  Density 3,2

Explanations: → Here List of minerals: → Here