Know all about Soapstone and Diabase properties here. All properties of rocks are important as they define the type of rock and its application. Soapstone belongs to Metamorphic Rocks while Diabase belongs to Igneous Rocks.Texture of Soapstone is Polished whereas that of Diabase is Aphanitic, Granular. Soapstone appears Dull, Banded and Foilated and Diabase appears Vesicular. The luster of Soapstone is greasy while that of Diabase is not available. Soapstone is available in black, black to grey, green, grey colors whereas Diabase is available in dark grey to black 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 Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.