Know all about Tonalite and Diabase properties here. All properties of rocks are important as they define the type of rock and its application. Tonalite and Diabase belong to Igneous Rocks.Texture of Tonalite is Phaneritic whereas that of Diabase is Aphanitic, Granular. Tonalite appears Banded and Foilated and Diabase appears Vesicular. The luster of Tonalite is subvitreous to dull while that of Diabase is not available. Tonalite is available in black, brown, light to dark grey, white colors whereas Diabase is available in dark grey to black colors. The commercial uses of Tonalite 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.