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