Know all about Troctolite and Harzburgite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite and Harzburgite belong to Igneous Rocks.Texture of Troctolite is Phaneritic whereas that of Harzburgite is Phaneritic. Troctolite appears Veined and Shiny and Harzburgite appears Rough and Shiny. The luster of Troctolite is not available while that of Harzburgite is shiny. Troctolite is available in dark grey to black colors whereas Harzburgite is available in dark greenish - grey colors. The commercial uses of Troctolite are 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.