Entry № 017
Amegreen
Amethyst-Prasiolite Quartz
Two moods, one lattice.
Chakra
Heart · Crown
Element
Air · Water
Zodiac
Pisces · Virgo

I. The Metaphysical Reading
How the stone has been held.
Held as a stone of heart-mind reconciliation - the green heart-sector paired with the violet crown-sector in one continuous crystal. Practitioners reach for amegreen when devotion and clarity are pulling in different directions and a single, integrated presence is needed.
- Chakra
- Heart · Crown
- Element
- Air · Water
- Zodiac
- Pisces · Virgo
- Keynote
- Two moods, one lattice.
II. The Scientific Reading
What the lattice actually does.
Amegreen is the rarer cousin of ametrine, formed in the same Anahí deposit where twinned amethyst and citrine crystallise across a shared Brazil-law twin plane. In amegreen, the yellow sector is instead the green prasiolite variety - a colour produced by Fe²⁺ centres in a reducing environment. The two colour sectors reflect abrupt changes in oxidation state during growth rather than mechanical mixing.
- Formula
- SiO₂ (Fe-bearing, colour-zoned)
- System
- Trigonal (α-quartz)
- Hardness
- 7 (Mohs)
- Provenance
- Bolivia (Anahí Mine) - sole documented source
References & Sources
Independent mineralogical references used to verify the scientific details above.
Mineral Profile
Fact Sheet
- Chemical Formula
- SiO₂ (Fe-bearing, colour-zoned)
- Crystal System
- Trigonal (α-quartz)
- Mohs Hardness
- 7 (Mohs)
- Density
- 2.65 g/cm³
- Refractive Index
- 1.544 – 1.553
- Provenance
- Bolivia (Anahí Mine) - sole documented source
- Color Origin
- Zoned violet (amethyst) and pale green (prasiolite) sectors
Related Crystals
Stones that share this lattice
Next in the Atlas
Ammonite
A spiral written by an animal, kept by stone.




