Know all about Troctolite and Shoshonite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite and Shoshonite belong to Igneous Rocks.Texture of Troctolite is Phaneritic whereas that of Shoshonite is Porphyritic. Troctolite appears Veined and Shiny and Shoshonite appears Dull. The luster of Troctolite is not available while that of Shoshonite is dull. Troctolite is available in dark grey to black colors whereas Shoshonite is available in brown- black, dark brown colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Shoshonite are cemetery markers, creating artwork.