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