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