Know all about Diabase and Tuff properties here. All properties of rocks are important as they define the type of rock and its application. Diabase and Tuff belong to Igneous Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Tuff is Clastic, Pyroclastic. Diabase appears Vesicular and Tuff appears Dull, Vesicular and Foilated. The luster of Diabase is not available while that of Tuff is vitreous to dull. Diabase is available in dark grey to black colors whereas Tuff is available in brown, grey, yellow 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 Tuff are creating artwork.