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Petrified wood specimens

£18.00

Beautiful triassic fossil wood stumps from the around 220 million years old from the ancient forests of the Zambezi Valley Zimbabwe. Specimens have an exposed polished surface to reveal the beauty of the mineralisation patterns.

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5 in stock

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Description

Petrified wood specimens are examples of prehistoric fossilised wood. It forms when plant material is buried by sediment and protected from decay by oxygen and organisms. Then, groundwater rich in dissolved solids flows through the sediment replacing the original plant material with silica, calcite, pyrite or another inorganic material such as opal and chromium. The result is a fossil of the original woody material that often exhibits preserved details of the bark, wood and cellular structures, and often displays the unique colourisation by the surrounding minerals.

Sizing information: 8-10 cm diam x 4 -8 cm high

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Additional information

Weight 1.5 kg
Dimensions 15 x 15 x 15 cm