Know all about Troctolite and Metapelite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite belongs to Igneous Rocks while Metapelite belongs to Metamorphic Rocks.Texture of Troctolite is Phaneritic whereas that of Metapelite is Foliated. Troctolite appears Veined and Shiny and Metapelite appears Banded. The luster of Troctolite is not available while that of Metapelite is earthy. Troctolite is available in dark grey to black colors whereas Metapelite is available in dark greenish - grey, green, light green, light greenish grey colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Metapelite are commemorative tablets, creating artwork.