Know all about Comendite and Tuff properties here. All properties of rocks are important as they define the type of rock and its application. Comendite and Tuff belong to Igneous Rocks.Texture of Comendite is Porphyritic whereas that of Tuff is Clastic, Pyroclastic. Comendite appears Foliated and Tuff appears Dull, Vesicular and Foilated. The luster of Comendite is dull while that of Tuff is vitreous to dull. Comendite is available in blue, bluish - grey colors whereas Tuff is available in brown, grey, yellow colors. The commercial uses of Comendite are cemetery markers and that of Tuff are creating artwork.