Entry № 237
Hilutite
Trade name — silicified breccia
Trade stone patterned like a weathered map.
Chakra
Root · Solar Plexus
Element
Earth
Zodiac
Taurus · Virgo

I. The Metaphysical Reading
How the stone has been held.
Hilutite is worked with as a stone of steady terrain, held when someone needs to feel underlying support during a period of upheaval. Its patterned surface is said to remind the carrier that broken things can be re-cemented into something stronger.
- Chakra
- Root · Solar Plexus
- Element
- Earth
- Zodiac
- Taurus · Virgo
- Keynote
- Trade stone patterned like a weathered map.
II. The Scientific Reading
What the lattice actually does.
Hilutite is a lapidary trade name rather than an IMA-recognised mineral species; specimens are typically silica-cemented breccias or altered volcanic tuffs in which fragments of earlier rock have been re-lithified by silica-rich groundwater and stained by iron and manganese oxides. Because it is a rock rather than a single mineral, its exact composition varies between deposits, but the dominant phase is microcrystalline quartz.
- Formula
- SiO₂ + Fe/Mn oxides, clay and feldspar relics
- System
- Cryptocrystalline aggregate
- Hardness
- 6 – 7 (Mohs)
- Provenance
- Trade material of debated locality; reported from Africa and Indonesia
References & Sources
Independent mineralogical references used to verify the scientific details above.
Mineral Profile
Fact Sheet
- Chemical Formula
- SiO₂ + Fe/Mn oxides, clay and feldspar relics
- Crystal System
- Cryptocrystalline aggregate
- Mohs Hardness
- 6 – 7 (Mohs)
- Density
- 2.55 – 2.75 g/cm³
- Refractive Index
- ≈1.53 – 1.55
- Provenance
- Trade material of debated locality; reported from Africa and Indonesia
- Color Origin
- Muted greens, browns, and greys in banded or brecciated patterns
Related Crystals
Stones that share this lattice
Next in the Atlas
Hollandite Quartz
Clear quartz sown with black star-bursts.




