Know all about Diabase and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Diabase belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Arkose is Clastic. Diabase appears Vesicular and Arkose appears Rough and Dull. The luster of Diabase is not available while that of Arkose is dull. Diabase is available in dark grey to black colors whereas Arkose is available in reddish brown 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 Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.