6.7" Polished Petrified Wood (Araucaria) Slab - Australia

This is a 6.7" wide slab of petrified wood from Australia. The wood itself is from Araucaria, a type of conifer, and is Cretaceous in age. It comes from the same petrified wood deposit that produces "peanut wood", though it appears to be from a part of the tree that wasn't very aggressively bored by the clam larvae. Some of these boreholes can be found along one edge.

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.

Araucaria sp.
Gascoyne, Western Australia
6.7 x 3.8", .35" thick
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