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Home » Minerals » Diopside


Mineral Properties and Uses

Physical Properties of Diopside

Chemical Classification silicate
Color grayish white to light green
Streak white to light green
Luster vitreous
Diaphaneity transparent to translucent
Cleavage imperfect, prismatic
Mohs Hardness 5.5 to 6
Specific Gravity 3.2 to 3.6
Diagnostic Properties cleavage
Chemical Composition MgCaSi2O6
Crystal System monoclinic
Uses gemstone

Diopside gemstone
The chrome green diopside gemstone is from Russia. This gem is approximately 1.2 carats and 7 millimeters by 5 millimeters.

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Pyroxene, a variety of diopside from Bird Creek, Quebec, Canada. This specimen is approximately 4 inches (10 centimeters) across.

Diopside cabochon
A star diopside cabochon. This cabochon is approximately 8 millimeters.

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