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