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