Know all about Troctolite and Schist properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite belongs to Igneous Rocks while Schist belongs to Metamorphic Rocks.Texture of Troctolite is Phaneritic whereas that of Schist is Foliated, Platy. Troctolite appears Veined and Shiny and Schist appears Layered and Shiny. The luster of Troctolite is not available while that of Schist is shiny. Troctolite is available in dark grey to black colors whereas Schist is available in black, blue, brown, dark brown, green, grey, silver colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Schist are used in aquariums, writing slates.