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