Know all about Soapstone and Rhyodacite properties here. All properties of rocks are important as they define the type of rock and its application. Soapstone belongs to Metamorphic Rocks while Rhyodacite belongs to Igneous Rocks.Texture of Soapstone is Polished whereas that of Rhyodacite is Earthy. Soapstone appears Dull, Banded and Foilated and Rhyodacite appears Skeletal. The luster of Soapstone is greasy while that of Rhyodacite is greasy to dull. Soapstone is available in black, black to grey, green, grey colors whereas Rhyodacite is available in black to grey, dark greenish - grey colors. The commercial uses of Soapstone and Rhyodacite are cemetery markers, creating artwork, gemstone, jewelry, manufacture of soap, solvents, dyes, plastics and fibres, production of lime, source of magnesia (mgo).