Know all about Nepheline Syenite and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Nepheline Syenite is Granular whereas that of Alkali Feldspar Granite is Phaneritic. Nepheline Syenite appears Banded and Foilated and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Nepheline Syenite is greasy to dull while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.