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