Know all about Ganister and Troctolite properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Troctolite belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Troctolite is Phaneritic. Ganister appears Rough and Troctolite appears Veined and Shiny. The luster of Ganister is dull while that of Troctolite is not available. Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Troctolite is available in dark grey to black colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.