INDONESIAN FOSSIL CORAL FOR SALE

This fossilized coral is from the western Indonesian Islands of Sumatra and Java is 23 million years old. It represents the remains of ancient reefs thrust up into the mountains by the collisions of tectonic plates. As these corals fossilized the original organic material was replaced by silica, iron, manganese and other minerals. This process of fossilization led to a lot of the detailed structures of the coral being retained and can be highlighted by polishing the material.
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19 Items ($4 to $135)