Know all about Porphyry and Rhomb Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Porphyry and Rhomb Porphyry belong to Igneous Rocks.Texture of Porphyry is Porphyritic whereas that of Rhomb Porphyry is Aphanitic to Porphyritic. Porphyry appears Dull and Rhomb Porphyry appears Rough. The luster of Porphyry is dull while that of Rhomb Porphyry is subvitreous to dull. Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors whereas Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Porphyry are creating artwork, gemstone, jewelry 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).