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Fossil Agatized Coral

$35.00
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Fossil Agatized Coral


This specimen comes in a solid display with glass window

2 1/2"

Agatized coral occurs when silica in the ocean water hardens, replacing the limy corals with a form of quartz known as chalcedony. This long process (20-30 million years) results in the formation of a "pseudomorph," meaning that one mineral has replaced another without having lost its original form.