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