Know all about Conglomerate and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Conglomerate and Marl belong to Sedimentary Rocks.Texture of Conglomerate is Clastic whereas that of Marl is Earthy. Conglomerate appears Shiny and Rounded and Marl appears Rough and Dull. The luster of Conglomerate and Marl is dull. Conglomerate is available in beige, black, brown, buff, light to dark grey, orange, rust, white, yellow colors whereas Marl is available in beige, brown, green, grey, white colors. The commercial uses of Conglomerate are cemetery markers, in aquifers, tombstones and that of Marl are creating artwork, soil conditioner.