Know all about Diabase and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Diabase belongs to Igneous Rocks while Marl belongs to Sedimentary Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Marl is Earthy. Diabase appears Vesicular and Marl appears Rough and Dull. The luster of Diabase is not available while that of Marl is dull. Diabase is available in dark grey to black colors whereas Marl is available in beige, brown, green, grey, white colors. The commercial uses of Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Marl are creating artwork, soil conditioner.