Know all about Andesite and Novaculite properties here. All properties of rocks are important as they define the type of rock and its application. Andesite belongs to Igneous Rocks while Novaculite belongs to Sedimentary Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Novaculite is Banded, Glassy, Rough, Vitreous. Andesite appears Dull and Soft and Novaculite appears Glassy or Pearly. The luster of Andesite is vitreous while that of Novaculite is waxy and dull. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Novaculite is available in black, brown, green, grey, red, white colors. The commercial uses of Andesite are commemorative tablets, 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.