Round brown semi precious gemstone Flower Jasper designer cabochon 55 mm in diameter and 5 mm thick.
This is actually a semi precious gemstone chalcedony pseudomorph after coral. It is ancient coral that died long ago and changed into an jasper.
It retains the original characteristics of the coral, hence the name Flower Jasper.
These beautiful natural stone material is found in the Hunan Province of China.