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