Know all about Lignite and Nepheline Syenite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Nepheline Syenite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Nepheline Syenite is Granular. Lignite appears Veined or Pebbled and Nepheline Syenite appears Banded and Foilated. The luster of Lignite is dull to vitreous to submetallic while that of Nepheline Syenite is greasy to dull. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Lignite are electricity generation and that of Nepheline Syenite are cemetery markers, creating artwork.