Know all about Rhyodacite and Oolite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyodacite belongs to Igneous Rocks while Oolite belongs to Sedimentary Rocks.Texture of Rhyodacite is Earthy whereas that of Oolite is Clastic or Non-Clastic. Rhyodacite appears Skeletal and Oolite appears Rounded and Rough. The luster of Rhyodacite is greasy to dull while that of Oolite is pearly to shiny. Rhyodacite is available in black to grey, dark greenish - grey colors whereas Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors. The commercial uses of Rhyodacite are cemetery markers, creating artwork and that of Oolite are creating artwork, jewelry, used in aquariums.