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