Calligraphy Stone for sale at wholesale prices. Calligraphy Stone is an amazing looking gem with patterns that look like writing. It is also known as the holy stone, Script Stone and Elephant Skin Jasper. it is fossil material of some type, and the two different colors are of different hardnesses. There is no agreement as to whether it is fossilized grasses & reeds, fossilized shell, or some combination of both. Some sources say it is a jasper and other sources say it is not really a jasper but a mixture of shells, sand, and limonite.