Know all about Marl and Granulite properties here. All properties of rocks are important as they define the type of rock and its application. Marl belongs to Sedimentary Rocks while Granulite belongs to Metamorphic Rocks.Texture of Marl is Earthy whereas that of Granulite is Granoblastic. Marl appears Rough and Dull and Granulite appears Veined or Pebbled. The luster of Marl is dull while that of Granulite is vitreous. Marl is available in beige, brown, green, grey, white colors whereas Granulite is available in black, brown colors. The commercial uses of Marl are creating artwork, soil conditioner and that of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones.