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