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