Jack Multi-Color is amongst the most beautiful of the multi-color slates. It certainly has an incredible range of color. Many pieces are black, but you can also find olive, rust, brown, taupe, sage and even orange. The jack black rustic stone can be used for wall-cladding, roofing, flooring and all other types of interior & exterior applications depending upon the imagination of an architect. Although it is a hard slate, but proper sealant should be used if being considered for exterior application in extreme weather conditions. Jack Black Rustic Slates are available in natural, Honed, Polished, Calibrated tiles and mosaic patterns.