Know all about Rhyolite and Vogesite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Vogesite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Vogesite is Porphyritic. Rhyolite appears Banded and Vogesite appears Dull, Banded and Foilated. The luster of Rhyolite is earthy while that of Vogesite is subvitreous to dull. Rhyolite is available in grey, white, light black colors whereas Vogesite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Vogesite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).