Know all about Nepheline Syenite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite and Nephelinite belong to Igneous Rocks.Texture of Nepheline Syenite is Granular whereas that of Nephelinite is Aphanitic. Nepheline Syenite appears Banded and Foilated and Nephelinite appears Skeletal. The luster of Nepheline Syenite is greasy to dull while that of Nephelinite is vitreous to metallic. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).