Know all about Basaltic Trachyandesite and Soapstone properties here. All properties of rocks are important as they define the type of rock and its application. Basaltic Trachyandesite belongs to Igneous Rocks while Soapstone belongs to Metamorphic Rocks.Texture of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Soapstone is Polished. Basaltic Trachyandesite appears Dull and Soft and Soapstone appears Dull, Banded and Foilated. The luster of Basaltic Trachyandesite is not available while that of Soapstone is greasy. Basaltic Trachyandesite is available in black, brown, light to dark grey colors whereas Soapstone is available in black, black to grey, green, grey colors. The commercial uses of Basaltic Trachyandesite are an oil and gas reservoir, commemorative tablets, 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).