Know all about Rhyolite and Comendite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Comendite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Comendite is Porphyritic. Rhyolite appears Banded and Comendite appears Foliated. The luster of Rhyolite is earthy while that of Comendite is dull. Rhyolite is available in grey, white, light black colors whereas Comendite is available in blue, bluish - grey colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Comendite are cemetery markers.