Properties and Benefits: Brownstone is a wonderful blue/ grey limestone with an attractive brown/ pink colouring throughout. It has sub angular particles and is an ideal decorative chipping for any usage. Ideal for drive ways, footpaths, pots, rockery and planted areas. Approximate coverage of 20m2 per tonne at 25mm (1 inch) thick. This product has been photographed in a wet condition. All aggregate images have been taken from the same height for comparison purposes.