Know all about Tonalite and Soapstone properties here. All properties of rocks are important as they define the type of rock and its application. Tonalite belongs to Igneous Rocks while Soapstone belongs to Metamorphic Rocks.Texture of Tonalite is Phaneritic whereas that of Soapstone is Polished. Tonalite appears Banded and Foilated and Soapstone appears Dull, Banded and Foilated. The luster of Tonalite is subvitreous to dull while that of Soapstone is greasy. Tonalite is available in black, brown, light to dark grey, white colors whereas Soapstone is available in black, black to grey, green, grey colors. The commercial uses of Tonalite are cemetery markers, creating artwork 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).