Know all about Scoria and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Scoria and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Scoria is Vesicular whereas that of Alkali Feldspar Granite is Phaneritic. Scoria appears Glassy and Vesicular and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Scoria is subvitreous to dull while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Scoria is available in black, brown, dark grey to black, red colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.