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