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Entry № 317

Petrified Ironwood

Silicified fossil wood rich in iron oxides

A forest turned to iron and time.

Chakra

Root

Element

Earth

Zodiac

Capricorn · Taurus

Petrified Ironwood

I. The Metaphysical Reading

How the stone has been held.

Petrified ironwood is held as a stone of deep ancestral grounding and patient transformation. Its dense, dark patterns are read as a record of endurance, supporting those who need steadiness through long transitions.

Chakra
Root
Element
Earth
Zodiac
Capricorn · Taurus
Keynote
A forest turned to iron and time.

II. The Scientific Reading

What the lattice actually does.

Petrified ironwood is fossil wood in which organic cellulose has been replaced by microcrystalline silica and iron oxides. The iron minerals darken and strengthen the material while preserving original cell structure and growth rings.

Formula
SiO₂ (chalcedony/quartz) + Fe₂O₃, Fe₃O₄
System
Trigonal / amorphous (microcrystalline silica)
Hardness
6.5 – 7 (Mohs)
Provenance
USA (Arizona), Australia, Argentina

References & Sources

Independent mineralogical references used to verify the scientific details above.

Mineral Profile

Fact Sheet

Chemical Formula
SiO₂ (chalcedony/quartz) + Fe₂O₃, Fe₃O₄
Crystal System
Trigonal / amorphous (microcrystalline silica)
Mohs Hardness
6.5 – 7 (Mohs)
Density
2.60 – 2.80 g/cm³
Refractive Index
1.535 – 1.540
Provenance
USA (Arizona), Australia, Argentina
Color Origin
Dark brown, black, rust-red, with preserved wood grain

Related Crystals

Stones that share this lattice

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Petrified Wood

A tree's memory written in stone.