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