Gemological Properties

Gemological Information for Diopside
Color	Bluish Green to Yellowish Green, Brown, Black
Crystal Structure	Monoclinic
Refractive Index	1.729 - 1.768
Durability	Poor
Hardness	5.5 to 6
Similar Stones	Peridot, Dioptase, Enstatite, Kornerupine, Zoisite
Treatments	None Known at this Time
Country of Origin	Myanmar, Sri Lanka, Republic of Madagascar, India.
Diopside Care
Ultrasonic Cleaning	Risky
Steam Cleaning	Never
Warm Soapy Water	Safe
Chemical Attack	Attacked by Hydrofluoric Acid
Light Sensitivity	Stable
Heat Sensitivity	Fuses with Heat