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