This Specimen has been sold.
3.5" Polished Fossil Coral Head - Indonesia
This is a beautiful, polished section of fossil coral from Sumatra, Indonesia. The polishing allows the beautiful, fossilized structure of the coral to easily be seen. this coral has been polished on one side, with the rest of the specimen left in its rough state.
These corals are approximately 20 million years old and are the remains of ancient reefs. Tectonic action has thrust them up forming mountains. As these corals fossilized the original organic material was replaced by silica, iron, manganese, and other minerals.