Know all about Variolite and Novaculite properties here. All properties of rocks are important as they define the type of rock and its application. Variolite belongs to Igneous Rocks while Novaculite belongs to Sedimentary Rocks.Texture of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Novaculite is Banded, Glassy, Rough, Vitreous. Variolite appears Dull and Soft and Novaculite appears Glassy or Pearly. The luster of Variolite is not available while that of Novaculite is waxy and dull. Variolite is available in black, brown, light to dark grey colors whereas Novaculite is available in black, brown, green, grey, red, white colors. The commercial uses of Variolite are cemetery markers, creating artwork 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.