Know all about Troctolite and Felsite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite and Felsite belong to Igneous Rocks.Texture of Troctolite is Phaneritic whereas that of Felsite is Arborescent Patterned, Vitreous. Troctolite appears Veined and Shiny and Felsite appears Layered, Banded, Veined and Shiny. The luster of Troctolite is not available while that of Felsite is vitreous. Troctolite is available in dark grey to black colors whereas Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Felsite are mirror, jewelry.