4.7" Colorful Petrified Wood Sphere

 
This is a very colorful polished sphere of petrified wood from Ambilobe, Madagascar. It is from the Araucaria tree, a type of conifer. The petrified wood if early Triassic period, approximately 220 million years old, close to the time the first dinosaurs appeared on the planet. It displays well on the included acrylic 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.
FOR SALE
$155 $139
DETAILS
SPECIES
Araucaria (Conifer)
LOCATION
Ambilobe, Madagascar
SIZE
About 4.7" in diameter
CATEGORY
SUB CATEGORY
ITEM
#49740
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