Kunzite is the best-known variety of the mineral spodumene. It’s named after famed gemologist George Frederick Kunz, who was the first to identify it as a unique variety of spodumene. Kunzite gets its delicate color from trace amounts of manganese. California’s San Diego County is an important source of kunzite.

Spodumene

Kunzite is the best-known variety of spodumene. Others are green hiddenite and yellow triphane.


A “New” Gem

Kunzite was first recognized as a unique variety of spodumene around 1902.


Lithium

The pegmatites that yield kunzite are also a source of lithium.


Facts

  • Mineral: Spodumene
  • Chemical composition: LiAlSi2O6
  • Color: Pink-violetish purple, light-intense
  • Refractive index: 1.660 to 1.676
  • Birefringence: 0.014 to 0.016
  • Specific gravity: 3.18
  • Mohs hardness: 6.5 to 7.0