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