Master Craftsman carefully plans a design, which is etched lightly into the marble surface and later scored out with an iron chisel. Many of the tools of the trade are basically the same as those used by the Mughals hundreds of years ago. He then decides on the color scheme depending on the requirements of piece being created. Semi-precious stones and gems are expertly chosen to give just the right graduation in color and shade for the overall radiance of the pattern. They are shaped and polished by means of an emery wheel. Sometimes heat treatment is applied to certain stones to get a shading effect. The effort involved in making just one single flower can often take days of work, depending on the detail; it is not unusual to be designed from hundreds of different slices of stone. There a.