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