Kunzite
SpodumeneJewelryWiki Editorial·2 sources·Reviewed 2026-07-31

Named by GIA among the gems that fade under prolonged light, alongside tanzanite and topaz.
Properties
| Property | Value | Authority |
|---|---|---|
| Mohs hardness | 6½–7 [1] | — |
| Refractive index | 1.660–1.681 [1] | — |
| Crystal system | Monoclinic [2] Read from the species article, Spodumene. | — |
Sources
- International Gem Society — reference charts (Mohs hardness, specific gravity, refractive index) — International Gem Society (IGS reference charts)
- Wikipedia — mineral article infoboxes (crystal system) — Wikipedia contributors (Wikipedia mineral infoboxes)