Know all about Nepheline Syenite and Appinite properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite and Appinite belong to Igneous Rocks.Texture of Nepheline Syenite is Granular whereas that of Appinite is Porphyritic. Nepheline Syenite appears Banded and Foilated and Appinite appears Dull, Banded and Foilated. The luster of Nepheline Syenite is greasy to dull while that of Appinite is subvitreous to dull. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner.