Know all about Siltstone and Laterite properties here. All properties of rocks are important as they define the type of rock and its application. Siltstone and Laterite belong to Sedimentary Rocks.Texture of Siltstone is Clastic whereas that of Laterite is Earthy, Massive, Porphyritic. Siltstone appears Rough and Laterite appears Rough and Banded. The luster of Siltstone and Laterite is dull. Siltstone is available in brown, red, reddish brown colors whereas Laterite is available in brown, buff, red colors. The commercial uses of Siltstone are raw material for the manufacture of mortar, soil conditioner and that of Laterite are an oil and gas reservoir, source of bauxite, used in aquariums.