object{ Icosahedron 
        scale <1,1,1>
        material{   //-----------------------------------------------------------
         texture { pigment{ color rgbf<0.6,0.95,0.7,0.75>}
                   //  normal { bumps 1 scale 0.85}
                   finish { phong 1 reflection 0.4 specular 0.9 roughness 0.001 phong 1 phong_size 400}
                 }
         interior{ I_Glass  caustics 0.2}
        } // end of material ----------------------------------------------------
             scale <1,1,1>*0.75  rotate< 0,0,0> translate<0,0,0>
       } // end of object  ------------------------------------------------------