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