Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Vogesite Uses. We have provided you with all information about Vogesite rock here. Vogesite is a porphyritic alkaline igneous rock and is a variety of Lamprophyre which is dominated by essential amphibole, usually hornblende, and potassic feldspar. Vogesite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Vogesite is white. Get to know more about Vogesite rock and characteristics of Vogesite rock in the next sections.