The name spodumene derives from the Greek meaning burnt to ashes describing the non-gem colorless or gray variety of spodumene. There are two varieties of spodumene considered "gem quality"; hiddenite and kunzite.


Gemological Information for Spodumene

Color: Yellowish Green, Pink-Violet, Colorless
Crystal Structure Monoclinic
Refractive Index: 1.655 to 1.680
Durability: Poor
Hardness: 6 to 7
Family: Spodumene
Similar Stones: Tourmaline, Kornerupine, Phenakite, Peridot, Beryl
Treatments: Irradiation
Country of Origin: Madagascar, Brazil, Afganistan, U.S.

Spodumene Care

Ultrasonic Cleaning: Never
Steam Cleaning: Never
Warm Soapy Water: Safe
Chemical Attack: Hydrofloric Acid
Light Sensitivity: Kunzite Fades, Irradiated Green Quickly Fades
Heat Sensitivity: Sensitive to High Temperatures


  • Gem Reference Guide, Los Angeles: Gemological Institute of America, 1988. Pp. 229-231.
  • Newman, Harold. An Illustrated Dictionary of Jewelry, New York: Thames and Hudson, 1981. Pp. 287.
  • Schumann, Walter. Gemstones of the World, New York: Sterling Publishing, Co., 1977. Pp. 114.