Know all about Mudstone and Soapstone properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Soapstone belongs to Metamorphic Rocks.Texture of Mudstone is Clastic whereas that of Soapstone is Polished. Mudstone appears Rough and Dull and Soapstone appears Dull, Banded and Foilated. The luster of Mudstone is dull while that of Soapstone is greasy. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Soapstone is available in black, black to grey, green, grey colors. The commercial uses of Mudstone are creating artwork, pottery and that of Soapstone are cemetery markers, creating artwork, gemstone, jewelry, manufacture of soap, solvents, dyes, plastics and fibres, production of lime, source of magnesia (mgo).