Hiddenite
Variety LiAlSi2O6
About it
Green spodumene coloured by chromium, first found near Hiddenite, North Carolina. True chrome hiddenite is rare; much pale green spodumene sold under the name is iron-coloured or irradiated.
- Type
- Variety
- Group
- Spodumene variety (pyroxene)
- Formula
- LiAlSi2O6
- Hardness (Mohs)
- 6.5–7
- Specific gravity
- 3.15–3.21
- Streak
- white
- Lustre
- vitreous (glassy)
- Crystal system
- Monoclinic
- Colours
- emerald green, yellowish green
- Transparency
- transparent
- Cleavage and fracture
- perfect prismatic in two directions at about 87°; splintery fracture
Typical values: real specimens vary. For more, see mindat.org.