Know all about Harzburgite and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Harzburgite and Trondhjemite belong to Igneous Rocks.Texture of Harzburgite is Phaneritic whereas that of Trondhjemite is Phaneritic. Harzburgite appears Rough and Shiny and Trondhjemite appears Banded and Foilated. The luster of Harzburgite is shiny while that of Trondhjemite is subvitreous to dull. Harzburgite is available in dark greenish - grey colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Trondhjemite are cemetery markers, creating artwork.