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