5.8" Petrified Seed Fern (Rhexoxylon) Slab - Zimbabwe

This is a slab of rare Rhexoxylon (a seed fern) petrified wood from near Gokwe, Zimbabwe. The petrified wood from this area is Upper Triassic or approximately 250 million years old. One side has been polished to a glossy finish, allowing the unique interior of this fossilized "wood" to be visible. This specimen also features multiple holes through the wood that are encrusted in sparkling druzy quartz crystals.

It comes with an acrylic display stand.

Petrified wood is the name given to wood that has been turned into stone (fossilized) through the process of permineralization. All of the organic matter becomes replaced by minerals, while much of the original structure such as tree rings in retained. For this to happen the wood needs to be buried in an environment both low in oxygen (preventing decomposition) and with flowing, mineral-laden water. The coloration is due to the various minerals that are present during fossilization. For example red colors are due to iron compounds, greens due to copper, etc.
Gokwe, Zimbabwe
Molteno Formation
5.8 x 4.9", .4" thick
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