This is a beautiful grouping of small vanadinite crystals on a barite matrix, collected in Morocco. This specimen has a spread of many small, well defined crystals and measures 5.4" long.
Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb5(VO4)3Cl. It is one of the main industrial ores of the metal vanadium and a minor source of lead. A dense, brittle mineral, it is usually found in the form of red hexagonal crystals.