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