Know all about Diabase and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Diabase and Dacite belong to Igneous Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Dacite is Aphanitic to Porphyritic. Diabase appears Vesicular and Dacite appears Vesicular. The luster of Diabase is not available while that of Dacite is subvitreous to dull. Diabase is available in dark grey to black colors whereas Dacite is available in bluish - grey, brown, grey, 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 Dacite are commemorative tablets, creating artwork.