Know all about Basalt and Harzburgite properties here. All properties of rocks are important as they define the type of rock and its application. Basalt and Harzburgite belong to Igneous Rocks.Texture of Basalt is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Harzburgite is Phaneritic. Basalt appears Dull and Soft and Harzburgite appears Rough and Shiny. The luster of Basalt is not available while that of Harzburgite is shiny. Basalt is available in black, brown, light to dark grey colors whereas Harzburgite is available in dark greenish - grey colors. The commercial uses of Basalt are an oil and gas reservoir, commemorative tablets, creating artwork, used in aquariums and that of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.