material CoalChunk { receive_shadows on technique { pass { ambient 0.500000 0.500000 0.500000 1.000000 diffuse 0.1 0.1 0.1 1.000000 specular 0.652682 0.652682 0.652682 1.000000 18.000000 emissive 0.01 0.01 0.01 1.000000 } } }