Know all about Obsidian and Lherzolite properties here. All properties of rocks are important as they define the type of rock and its application. Obsidian and Lherzolite belong to Igneous Rocks.Texture of Obsidian is Glassy whereas that of Lherzolite is Grenue. Obsidian appears Shiny and Lherzolite appears Glassy, Vesicular and Foilated. The luster of Obsidian is vitreous while that of Lherzolite is subvitreous to dull. Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors whereas Lherzolite is available in black, dark greenish - grey, green, pink, purple colors. The commercial uses of Obsidian are creating artwork, mirror, used in aquariums and that of Lherzolite are as armour rock for sea walls, source of magnesia (mgo), used in aquariums.