Entry № 258
Lapis Lazuli
Rock: lazurite + calcite + pyrite
The stone of starry midnight.
Chakra
Throat · Third Eye
Element
Water
Zodiac
Sagittarius · Libra

I. The Metaphysical Reading
How the stone has been held.
One of the oldest known gemstones, lapis lazuli was ground into ultramarine pigment and placed in the graves of royalty. It is associated with truth, sovereignty, and the courage to speak from the deepest self. The golden pyrite inclusions are read as flecks of inner starlight.
- Chakra
- Throat · Third Eye
- Element
- Water
- Zodiac
- Sagittarius · Libra
- Keynote
- The stone of starry midnight.
II. The Scientific Reading
What the lattice actually does.
Lapis lazuli is not a single mineral but a metamorphic rock composed chiefly of the deep-blue feldspathoid lazurite, with variable calcite and pyrite. Its color comes from sulfur radical anions (S₃⁻) within the lazurite structure. The finest material, sourced from the Sar-e-Sang mines of Afghanistan for more than 6,000 years, was once more valuable than gold.
- Formula
- (Na,Ca)₈(AlSiO₄)₆(S,SO₄,Cl)₁₋₂
- System
- Isometric (lazurite component)
- Hardness
- 5 – 5.5 (Mohs)
- Provenance
- Afghanistan, Chile, Russia, Myanmar
References & Sources
Independent mineralogical references used to verify the scientific details above.
Mineral Profile
Fact Sheet
- Chemical Formula
- (Na,Ca)₈(AlSiO₄)₆(S,SO₄,Cl)₁₋₂
- Crystal System
- Isometric (lazurite component)
- Mohs Hardness
- 5 – 5.5 (Mohs)
- Density
- 2.7 – 2.9 g/cm³
- Refractive Index
- 1.50 – 1.55
- Provenance
- Afghanistan, Chile, Russia, Myanmar
- Color Origin
- Deep blue from S₃⁻ radicals; pyrite golden; calcite white
Related Crystals
Stones that share this lattice
Next in the Atlas
Larimar
The dolphin stone of the Caribbean.




