Know all about Rhyodacite and Claystone properties here. All properties of rocks are important as they define the type of rock and its application. Rhyodacite belongs to Igneous Rocks while Claystone belongs to Sedimentary Rocks.Texture of Rhyodacite is Earthy whereas that of Claystone is Clastic. Rhyodacite appears Skeletal and Claystone appears Rough and Dull. The luster of Rhyodacite is greasy to dull while that of Claystone is dull. Rhyodacite is available in black to grey, dark greenish - grey colors whereas Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Rhyodacite are cemetery markers, creating artwork and that of Claystone are pottery.