Know all about Pegmatite and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Pegmatite and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Pegmatite is Pegmatitic whereas that of Alkali Feldspar Granite is Phaneritic. Pegmatite appears Layered, Banded, Veined and Shiny and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Pegmatite is grainy, pearly and vitreous while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Pegmatite are creating artwork, jewelry, source of corundum, tourmalines, beryls and topaz and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.