CaMgSi2O6Monoclinic
Diopside
CaMgSi2O6
SilicatesChemical FormulaCaMgSi2O6
Crystal SystemMonoclinic
Mohs Hardness6
Specific Gravity3.28
ColorWhite, pale green, dark green
LusterVitreous to dull
StreakWhite to pale green
CleavageTwo directions at 87/93
FractureUneven
Occurrence
Found in metamorphic and igneous rocks. Chrome diopside is a green gemstone.