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