Know all about Pyroxenite and Siltstone properties here. All properties of rocks are important as they define the type of rock and its application. Pyroxenite belongs to Igneous Rocks while Siltstone belongs to Sedimentary Rocks.Texture of Pyroxenite is Clastic, Granular, Phaneritic, Porphyritic whereas that of Siltstone is Clastic. Pyroxenite appears Layered, Banded, Veined and Shiny and Siltstone appears Rough. The luster of Pyroxenite is dull to vitreous to submetallic while that of Siltstone is dull. Pyroxenite is available in black to grey, bluish - grey, dark greenish - grey, green, light greenish grey colors whereas Siltstone is available in brown, red, reddish brown colors. The commercial uses of Pyroxenite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Siltstone are raw material for the manufacture of mortar, soil conditioner.