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