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