Know all about Mudstone and Theralite properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Theralite belongs to Igneous Rocks.Texture of Mudstone is Clastic whereas that of Theralite is Phaneritic. Mudstone appears Rough and Dull and Theralite appears Veined and Shiny. The luster of Mudstone is dull while that of Theralite is waxy and dull. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Theralite is available in dark grey to black colors. The commercial uses of Mudstone are creating artwork, pottery and that of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.