Know all about Siltstone and Metapelite properties here. All properties of rocks are important as they define the type of rock and its application. Siltstone belongs to Sedimentary Rocks while Metapelite belongs to Metamorphic Rocks.Texture of Siltstone is Clastic whereas that of Metapelite is Foliated. Siltstone appears Rough and Metapelite appears Banded. The luster of Siltstone is dull while that of Metapelite is earthy. Siltstone is available in brown, red, reddish brown colors whereas Metapelite is available in dark greenish - grey, green, light green, light greenish grey colors. The commercial uses of Siltstone are raw material for the manufacture of mortar, soil conditioner and that of Metapelite are commemorative tablets, creating artwork.