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