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