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