Know all about Rhomb Porphyry and Granulite properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry belongs to Igneous Rocks while Granulite belongs to Metamorphic Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Granulite is Granoblastic. Rhomb Porphyry appears Rough and Granulite appears Veined or Pebbled. The luster of Rhomb Porphyry is subvitreous to dull while that of Granulite is vitreous. Rhomb Porphyry and Granulite are available in black, brown, colourless, green, grey, pink, 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 Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones.