Know all about Novaculite and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Novaculite belongs to Sedimentary Rocks while Trondhjemite belongs to Igneous Rocks.Texture of Novaculite is Banded, Glassy, Rough, Vitreous whereas that of Trondhjemite is Phaneritic. Novaculite appears Glassy or Pearly and Trondhjemite appears Banded and Foilated. The luster of Novaculite is waxy and dull while that of Trondhjemite is subvitreous to dull. Novaculite is available in black, brown, green, grey, red, white colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses 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 and that of Trondhjemite are cemetery markers, creating artwork.