Know all about Troctolite and Granulite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite belongs to Igneous Rocks while Granulite belongs to Metamorphic Rocks.Texture of Troctolite is Phaneritic whereas that of Granulite is Granoblastic. Troctolite appears Veined and Shiny and Granulite appears Veined or Pebbled. The luster of Troctolite is not available while that of Granulite is vitreous. Troctolite is available in dark grey to black colors whereas Granulite is available in black, brown colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones.