Entry № 296
Nundoorite
Aegirine-albite rock
Deep-green rock of the outback night.
Chakra
Heart · Root
Element
Earth · Fire
Zodiac
Scorpio · Capricorn

I. The Metaphysical Reading
How the stone has been held.
Nundoorite is worked with as a stone of protective grounding, deep sleep and shadow work. Its dense green-black tone is said to steady the nervous system when facing what is usually kept out of sight.
- Chakra
- Heart · Root
- Element
- Earth · Fire
- Zodiac
- Scorpio · Capricorn
- Keynote
- Deep-green rock of the outback night.
II. The Scientific Reading
What the lattice actually does.
Nundoorite is a rare rock composed principally of the sodium-iron pyroxene aegirine intergrown with albite feldspar. It was described from the Nundora area of New South Wales, Australia, where it forms in alkaline igneous intrusions.
- Formula
- NaFe³⁺Si₂O₆ + NaAlSi₃O₈
- System
- Monoclinic / triclinic composite
- Hardness
- 5.5 – 6.5 (Mohs)
- Provenance
- Australia (New South Wales — Nundora)
References & Sources
Independent mineralogical references used to verify the scientific details above.
Mineral Profile
Fact Sheet
- Chemical Formula
- NaFe³⁺Si₂O₆ + NaAlSi₃O₈
- Crystal System
- Monoclinic / triclinic composite
- Mohs Hardness
- 5.5 – 6.5 (Mohs)
- Density
- 3.10 – 3.60 g/cm³
- Refractive Index
- 1.530 – 1.780
- Provenance
- Australia (New South Wales — Nundora)
- Color Origin
- Deep green with black aegirine flecks and pale albite veins
Related Crystals
Stones that share this lattice
Next in the Atlas
Nuummite
Iridescent fire of the oldest stones.




