Fossil coral also known as agatized coral. These fossil coral beads are seen as small 'flowers' on the stone and found in varying colors such as red, gray, white, yellow, brown and black. The specimens of fossil coral are found in Indonesia, Florida and Georgia. In olden sailors used to carry this bead to shoo away evil eyes and to have a safe and smooth sailing. Fossilized coral pieces are used not only to make jewels but are also used as decorative pieces. They are also placed in aquarium.