Fossilized Coral Specimen

Agatized Coral is formed as a result of silica replacing the original calcium carbonate skeleton of a coral colony with a hard variety of Chalcedony. The process of this replacement creates beautiful cave-like structures that you can see within the agatized coral.  This item is 5" x 3.5" and weighs 2lbs 3.5oz.
Agatized Coral is formed as a result of silica replacing the original calcium carbonate skeleton of a coral colony with a hard variety of Chalcedony. The process of this replacement creates beautiful cave-like structures that you can see within the agatized coral.  This item is 5 x 3.5 and weighs 2lbs 3.5oz.

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Fossilized Coral Specimen

FOSSILS. Polished specimen of fossil coral Hexagonaria. …