Know all about Harzburgite and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Harzburgite and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Harzburgite is Phaneritic whereas that of Alkali Feldspar Granite is Phaneritic. Harzburgite appears Rough and Shiny and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Harzburgite is shiny while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Harzburgite is available in dark greenish - grey colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.