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