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