Know all about Diabase and Phonolite properties here. All properties of rocks are important as they define the type of rock and its application. Diabase and Phonolite belong to Igneous Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Phonolite is Granular. Diabase appears Vesicular and Phonolite appears Banded and Foilated. The luster of Diabase is not available while that of Phonolite is greasy to dull. Diabase is available in dark grey to black colors whereas Phonolite is available in brown, buff, cream, green, grey, pink, white 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 Phonolite are cemetery markers, creating artwork.