Know all about Comendite and Diabase properties here. All properties of rocks are important as they define the type of rock and its application. Comendite and Diabase belong to Igneous Rocks.Texture of Comendite is Porphyritic whereas that of Diabase is Aphanitic, Granular. Comendite appears Foliated and Diabase appears Vesicular. The luster of Comendite is dull while that of Diabase is not available. Comendite is available in blue, bluish - grey colors whereas Diabase is available in dark grey to black colors. The commercial uses of Comendite are cemetery markers and that of Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.