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