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