Know all about Claystone and Basalt properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Basalt belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Basalt is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Claystone appears Rough and Dull and Basalt appears Dull and Soft. The luster of Claystone is dull while that of Basalt is not available. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Basalt is available in black, brown, light to dark grey colors. The commercial uses of Claystone are pottery and that of Basalt are an oil and gas reservoir, commemorative tablets, creating artwork, used in aquariums.