Description of Steel Gray Granite-This stone would fall in the Gray granite grouping because of it overall grayish background. A close up view of this stone will show the accents of small black and grey flecks intermixed with larger grey and brown spots. Steel gray is also known as Indian Panadisso Violet and Bash Panadisso Granite. This granite has medium variations of black, blues and grays. The overall pattern can sometimes be considered wavy.