Know all about Nepheline Syenite and Suevite properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite belongs to Igneous Rocks while Suevite belongs to Metamorphic Rocks.Texture of Nepheline Syenite is Granular whereas that of Suevite is Earthy. Nepheline Syenite appears Banded and Foilated and Suevite appears Banded. The luster of Nepheline Syenite is greasy to dull while that of Suevite is earthy. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Suevite is available in black, brown, colourless, green, grey, pink colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo).