Know all about Nepheline Syenite and Ignimbrite properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite and Ignimbrite belong to Igneous Rocks.Texture of Nepheline Syenite is Granular whereas that of Ignimbrite is Aphanitic. Nepheline Syenite appears Banded and Foilated and Ignimbrite appears Dull, Vesicular and Foilated. The luster of Nepheline Syenite is greasy to dull while that of Ignimbrite is vitreous to dull. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Ignimbrite is available in beige, black, brown, grey, pink, white colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Ignimbrite are cemetery markers, commemorative tablets, creating artwork.