GRANITE STAR Granite Crystallizer Spray N� Buff is a breakthrough technology formulation that allows you to maintain polished granite surfaces as easily as spray buffing your floors. It brightens the color of any granite surface; GRANITE STAR is even effective on black granite. Easy-to-use; just spray and buff. Saves a minimum of 40% in labor costs for granite polishing when compared with the use of diamonds. Classified by Underwriters Laboratories� for slip resistance.