Entry № 160
Goethite
Iron Oxyhydroxide
The rust that made the ochres of the first painters.
Chakra
Root · Solar Plexus
Element
Earth · Water
Zodiac
Aries · Scorpio

I. The Metaphysical Reading
How the stone has been held.
Goethite is worked with as a stone of patient attention, kept in the studio during long research, ancestral work and any practice that follows a slow thread. Practitioners hold it as a reminder that the pigments of the first cave paintings are still doing their work.
- Chakra
- Root · Solar Plexus
- Element
- Earth · Water
- Zodiac
- Aries · Scorpio
- Keynote
- The rust that made the ochres of the first painters.
II. The Scientific Reading
What the lattice actually does.
Goethite is the most common iron oxyhydroxide and the principal constituent of ordinary rust, limonite and yellow-brown ochre. It forms under oxidising conditions from the weathering of iron-bearing minerals and precipitates from iron-rich groundwater into botryoidal and stalactitic crusts. Ground goethite has been used as a pigment since the Palaeolithic.
- Formula
- α-FeO(OH)
- System
- Orthorhombic
- Hardness
- 5 – 5.5 (Mohs)
- Provenance
- Germany (type locality — Hollertszug), UK (Cornwall), USA (Colorado, Michigan), Morocco, Namibia
References & Sources
Independent mineralogical references used to verify the scientific details above.
Mineral Profile
Fact Sheet
- Chemical Formula
- α-FeO(OH)
- Crystal System
- Orthorhombic
- Mohs Hardness
- 5 – 5.5 (Mohs)
- Density
- 3.3 – 4.3 g/cm³
- Refractive Index
- 2.26 – 2.51
- Provenance
- Germany (type locality — Hollertszug), UK (Cornwall), USA (Colorado, Michigan), Morocco, Namibia
- Color Origin
- Black-brown botryoidal masses with iridescent submetallic luster
Related Crystals
Stones that share this lattice
Next in the Atlas
Gold
A metal that will not tarnish and rarely lets go of itself.




