Know all about Troctolite and Novaculite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite belongs to Igneous Rocks while Novaculite belongs to Sedimentary Rocks.Texture of Troctolite is Phaneritic whereas that of Novaculite is Banded, Glassy, Rough, Vitreous. Troctolite appears Veined and Shiny and Novaculite appears Glassy or Pearly. The luster of Troctolite is not available while that of Novaculite is waxy and dull. Troctolite is available in dark grey to black colors whereas Novaculite is available in black, brown, green, grey, red, white colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones 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.