Know all about Pantellerite and Obsidian properties here. All properties of rocks are important as they define the type of rock and its application. Pantellerite and Obsidian belong to Igneous Rocks.Texture of Pantellerite is Eutaxitic whereas that of Obsidian is Glassy. Pantellerite appears Layered and Foliated and Obsidian appears Shiny. The luster of Pantellerite is earthy while that of Obsidian is vitreous. Pantellerite is available in dark greenish - grey colors whereas Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors. The commercial uses of Pantellerite are creating artwork and that of Obsidian are creating artwork, mirror, used in aquariums.