Know all about Tuff and Sovite properties here. All properties of rocks are important as they define the type of rock and its application. Tuff and Sovite belong to Igneous Rocks.Texture of Tuff is Clastic, Pyroclastic whereas that of Sovite is Granular, Poikiloblastic. Tuff appears Dull, Vesicular and Foilated and Sovite appears Dull, Banded and Foilated. The luster of Tuff is vitreous to dull while that of Sovite is subvitreous to dull. Tuff is available in brown, grey, yellow colors whereas Sovite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Tuff are creating artwork and that of Sovite are an oil and gas reservoir, as a feed additive for livestock, creating artwork, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).