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