7.2" Waterline Agate Limb Cast Slice - Tom Miner Basin, Montana

This is a 7.2" slice of a waterline agate replaced limb cast from Tom Miner Basin, Montana. This piece is polished to a mirror finish on both sides to reveal the beautiful patterns of lines throughout the specimen. This specimen even has a thin quartz pocket!

Petrified wood is the name given to wood that has been turned into stone (fossilized) through the process of permineralization. In this process, all of the organic matter becomes replaced by minerals, while much of the original structure, such as tree rings, is retained. For this to happen, the wood needs to be buried in an environment low in oxygen to prevent decomposition and with flowing, mineral-laden water, so minerals may replace structures. The coloration is caused by various minerals that present in that water during fossilization. For example, red colors are due to iron compounds, greens due to copper, and so on.
Tom Miner Basin, Montana
7.2 x 5.2 x 1.3"
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