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