Know all about Marl and Comendite properties here. All properties of rocks are important as they define the type of rock and its application. Marl belongs to Sedimentary Rocks while Comendite belongs to Igneous Rocks.Texture of Marl is Earthy whereas that of Comendite is Porphyritic. Marl appears Rough and Dull and Comendite appears Foliated. The luster of Marl and Comendite is dull. Marl is available in beige, brown, green, grey, white colors whereas Comendite is available in blue, bluish - grey colors. The commercial uses of Marl are creating artwork, soil conditioner and that of Comendite are cemetery markers.