Know all about Diabase and Harzburgite properties here. All properties of rocks are important as they define the type of rock and its application. Diabase and Harzburgite belong to Igneous Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Harzburgite is Phaneritic. Diabase appears Vesicular and Harzburgite appears Rough and Shiny. The luster of Diabase is not available while that of Harzburgite is shiny. Diabase is available in dark grey to black colors whereas Harzburgite is available in dark greenish - grey 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 Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.