Know all about Andesite and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Andesite and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Alkali Feldspar Granite is Phaneritic. Andesite appears Dull and Soft and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Andesite is vitreous while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Andesite are commemorative tablets, creating artwork and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.