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