Know all about Tuff and Diabase properties here. All properties of rocks are important as they define the type of rock and its application. Tuff and Diabase belong to Igneous Rocks.Texture of Tuff is Clastic, Pyroclastic whereas that of Diabase is Aphanitic, Granular. Tuff appears Dull, Vesicular and Foilated and Diabase appears Vesicular. The luster of Tuff is vitreous to dull while that of Diabase is not available. Tuff is available in brown, grey, yellow colors whereas Diabase is available in dark grey to black colors. The commercial uses of Tuff are creating artwork and that of Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.