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