Know all about Obsidian and Pyroxenite properties here. All properties of rocks are important as they define the type of rock and its application. Obsidian and Pyroxenite belong to Igneous Rocks.Texture of Obsidian is Glassy whereas that of Pyroxenite is Clastic, Granular, Phaneritic, Porphyritic. Obsidian appears Shiny and Pyroxenite appears Layered, Banded, Veined and Shiny. The luster of Obsidian is vitreous while that of Pyroxenite is dull to vitreous to submetallic. Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors whereas Pyroxenite is available in black to grey, bluish - grey, dark greenish - grey, green, light greenish grey colors. The commercial uses of Obsidian are creating artwork, mirror, used in aquariums and that of Pyroxenite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.