Know all about Peridotite and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Peridotite and Essexite belong to Igneous Rocks.Texture of Peridotite is Phaneritic whereas that of Essexite is Granular. Peridotite appears Rough and Shiny and Essexite appears Banded. The luster of Peridotite is shiny while that of Essexite is not available. Peridotite is available in dark greenish - grey colors whereas Essexite is available in dark grey to black colors. The commercial uses of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.