Know all about Rhyolite and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Arkose is Clastic. Rhyolite appears Banded and Arkose appears Rough and Dull. The luster of Rhyolite is earthy while that of Arkose is dull. Rhyolite is available in grey, white, light black colors whereas Arkose is available in reddish brown colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.