Know all about Scoria and Novaculite properties here. All properties of rocks are important as they define the type of rock and its application. Scoria belongs to Igneous Rocks while Novaculite belongs to Sedimentary Rocks.Texture of Scoria is Vesicular whereas that of Novaculite is Banded, Glassy, Rough, Vitreous. Scoria appears Glassy and Vesicular and Novaculite appears Glassy or Pearly. The luster of Scoria is subvitreous to dull while that of Novaculite is waxy and dull. Scoria is available in black, brown, dark grey to black, red colors whereas Novaculite is available in black, brown, green, grey, red, 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 Novaculite are cemetery markers, gemstone, in aquifers, in fire-starting tools, jewelry, manufacture of tools, pebbles are used in ball mills to grind in ceramics industry, to determine the gold content of jewelry.