Collection: Diopside

Formula: CaMgSi₂O₆

Colour: light to dark green, blue, brown, colourless, snow-white, grey, pale violet

Lustre: Vitreous, Dull

Hardness: 5½ - 6½

Specific Gravity: 3.22 - 3.38

Crystal System: Monoclinic

Member of: Clinopyroxene Subgroup > Pyroxene Group