The natural formation of the stone inspired the painting you see. No files, chisels, putty, or primers are ever used.
All current work is acrylic on stone.
Being three dimemsional, they are best viewed in person. This way you can see the detail in the painting and how the rock's own natural formation dictated the picture I placed there for you to see. But here we are on the net. If a piece entices you, you may then click on it to view it in more detail and at different angles. Also you will find the rock's dimensions there.