Know all about Claystone and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Slate belongs to Metamorphic Rocks.Texture of Claystone is Clastic whereas that of Slate is Foliated. Claystone appears Rough and Dull and Slate appears Dull. The luster of Claystone and Slate is dull. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors. The commercial uses of Claystone are pottery and that of Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates.