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