Grossular Diopside. Photo Courtesy of Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Gemological Information for Diopside

Color:Bluish Green to Yellowish Green, Brown, Black
Crystal Structure:Monoclinic
Refractive Index:1.729 - 1.768
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