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