Know all about Rhomb Porphyry and Andesite properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Andesite belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Andesite is Aphanitic to Porphyritic. Rhomb Porphyry appears Rough and Andesite appears Dull and Soft. The luster of Rhomb Porphyry is subvitreous to dull while that of Andesite is vitreous. Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors whereas Andesite is available in bluish - grey, grey, pink, 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 Andesite are commemorative tablets, creating artwork.