Know all about Siltstone and Siltstone properties here. All properties of rocks are important as they define the type of rock and its application. Siltstone and Siltstone belong to Sedimentary Rocks.Texture of Siltstone is Clastic whereas that of Siltstone is Clastic. Siltstone appears Rough and Siltstone appears Rough. The luster of Siltstone and Siltstone is dull. Siltstone and Siltstone are available in brown, red, reddish brown colors. The commercial uses of Siltstone and Siltstone are raw material for the manufacture of mortar, soil conditioner.