Know all about Troctolite and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Troctolite is Phaneritic whereas that of Alkali Feldspar Granite is Phaneritic. Troctolite appears Veined and Shiny and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Troctolite is not available while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Troctolite is available in dark grey to black colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.