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