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