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