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