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