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