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