Fossil Coral cabochons are actually a stone pseudomorph after coral. It is ancient coral that died many years ago and than was replaced by minerals that changed it into a chalcedony jasper stone. The Fossil Coral, also known as Flower Jasper, cabochon stones retain the characteristics of the original replaced coral.  fossil coral is a grounding stone good for bringing about change. Fossil coral is used for healing eye, skin and stomach illnesses. It is even believed to enhance longevity.