Know all about Rhomb Porphyry and Diorite properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Diorite belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Diorite is Phaneritic. Rhomb Porphyry appears Rough and Diorite appears Shiny. The luster of Rhomb Porphyry is subvitreous to dull while that of Diorite is shiny. Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors whereas Diorite is available in black, brown, light to dark grey, white 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 Diorite are creating artwork, curling.