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