Know all about Soapstone and Lamprophyre properties here. All properties of rocks are important as they define the type of rock and its application. Soapstone belongs to Metamorphic Rocks while Lamprophyre belongs to Igneous Rocks.Texture of Soapstone is Polished whereas that of Lamprophyre is Porphyritic. Soapstone appears Dull, Banded and Foilated and Lamprophyre appears Dull, Banded and Foilated. The luster of Soapstone is greasy while that of Lamprophyre is subvitreous to dull. Soapstone is available in black, black to grey, green, grey colors whereas Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey 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 Lamprophyre are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).