Know all about Mudstone and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Slate belongs to Metamorphic Rocks.Texture of Mudstone is Clastic whereas that of Slate is Foliated. Mudstone appears Rough and Dull and Slate appears Dull. The luster of Mudstone and Slate is dull. Mudstone 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 Mudstone are creating artwork, 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.