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Entry № 149

Fossilised Wood

Petrified Silicified Wood

A tree that became a stone without losing its rings.

Chakra

Root

Element

Earth

Zodiac

Virgo · Capricorn

Fossilised Wood

I. The Metaphysical Reading

How the stone has been held.

Fossilised Wood is worked with as a stone of grounded lineage, kept nearby during genealogy work, home-building rituals and any practice that asks a person to inherit slowly. Practitioners hold it as a reminder that structure can outlast the living thing that built it.

Chakra
Root
Element
Earth
Zodiac
Virgo · Capricorn
Keynote
A tree that became a stone without losing its rings.

II. The Scientific Reading

What the lattice actually does.

Petrified wood forms when buried timber is infiltrated by silica-rich groundwater and its organic tissue is replaced cell-by-cell by chalcedony, opal or agate over tens of millions of years, preserving the original wood anatomy in stone. The Petrified Forest National Park in Arizona preserves Late Triassic conifers; the Patagonian and Indonesian deposits are Jurassic and Miocene respectively.

Formula
SiO₂ (replacing original lignin and cellulose)
System
Trigonal (microcrystalline)
Hardness
6.5 – 7 (Mohs)
Provenance
USA (Arizona – Petrified Forest), Argentina (Patagonia), Indonesia, Madagascar

References & Sources

Independent mineralogical references used to verify the scientific details above.

Mineral Profile

Fact Sheet

Chemical Formula
SiO₂ (replacing original lignin and cellulose)
Crystal System
Trigonal (microcrystalline)
Mohs Hardness
6.5 – 7 (Mohs)
Density
2.60 – 2.70 g/cm³
Refractive Index
1.530 – 1.540
Provenance
USA (Arizona – Petrified Forest), Argentina (Patagonia), Indonesia, Madagascar
Color Origin
Caramel, cream, rust and grey banding preserving bark and growth rings

Related Crystals

Stones that share this lattice

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Fuchsite

A green mica that keeps chromium in its sheets.