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