Know all about Rhomb Porphyry and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Rhomb Porphyry and Rhyolite belong to Igneous Rocks.Texture of Rhomb Porphyry is Aphanitic to Porphyritic whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Rhomb Porphyry appears Rough and Rhyolite appears Banded. The luster of Rhomb Porphyry is subvitreous to dull while that of Rhyolite is earthy. Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors whereas Rhyolite is available in grey, white, light black 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 Rhyolite are gemstone, laboratory bench tops, jewelry.