Know all about Diabase and Basalt properties here. All properties of rocks are important as they define the type of rock and its application. Diabase and Basalt belong to Igneous Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Basalt is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Diabase appears Vesicular and Basalt appears Dull and Soft. The luster of Diabase and Basalt is not available. Diabase is available in dark grey to black colors whereas Basalt is available in black, brown, light to dark grey 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 Basalt are an oil and gas reservoir, commemorative tablets, creating artwork, used in aquariums.