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Entry № 092

Chalcopyrite

Copper Iron Sulphide

Peacock ore — the stone of alchemists.

Chakra

Crown · Solar Plexus

Element

Fire

Zodiac

Capricorn

Chalcopyrite

I. The Metaphysical Reading

How the stone has been held.

Chalcopyrite is worked with as a mystic's stone of shifting perspective, kept nearby during meditation, divination and the search for lost objects. Practitioners hold it as a reminder that surfaces rarely stay the same colour twice — and that insight often arrives through iridescence rather than clarity.

Chakra
Crown · Solar Plexus
Element
Fire
Zodiac
Capricorn
Keynote
Peacock ore — the stone of alchemists.

II. The Scientific Reading

What the lattice actually does.

Chalcopyrite is the most abundant copper-bearing mineral and the world's primary ore of copper, a tetragonal sulphide crystallising in sphenoidal forms across nearly every major sulphide deposit on Earth. Its characteristic peacock tarnish is a thin oxidation film of iridescent iron and copper oxides; freshly broken surfaces reveal a brassy yellow lustre often mistaken for gold.

Formula
CuFeS₂
System
Tetragonal
Hardness
3.5 – 4 (Mohs)
Provenance
Peru, Mexico, USA, Australia, Chile, Russia

References & Sources

Independent mineralogical references used to verify the scientific details above.

Mineral Profile

Fact Sheet

Chemical Formula
CuFeS₂
Crystal System
Tetragonal
Mohs Hardness
3.5 – 4 (Mohs)
Density
4.1 – 4.3 g/cm³
Refractive Index
Opaque, metallic
Provenance
Peru, Mexico, USA, Australia, Chile, Russia
Color Origin
Brassy yellow tarnishing to iridescent peacock blue, green and violet

Related Crystals

Stones that share this lattice

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