Know all about Lamprophyre and Obsidian properties here. All properties of rocks are important as they define the type of rock and its application. Lamprophyre and Obsidian belong to Igneous Rocks.Texture of Lamprophyre is Porphyritic whereas that of Obsidian is Glassy. Lamprophyre appears Dull, Banded and Foilated and Obsidian appears Shiny. The luster of Lamprophyre is subvitreous to dull while that of Obsidian is vitreous. Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors. The commercial uses of Lamprophyre are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Obsidian are creating artwork, mirror, used in aquariums.