This huebnerite is from the Mundo Nuevo Mine in Mundo Nuevo, Huamachuco, Sanchez Carrion District, La Libertad Department, Peru. Twenty-five different minerals can be found in this area including huebnerite. It is a n oxide that contains the elelents Mn, W, and O. This specimen consists of a crystal quartz matrix (recrystalizied on back side), that hosts a huebnerite crystal with parallel growth crystals and multiple terminations. All of the quartz crystals are intact. It measures 1 5/8 x 1 1/4 x 3/4 inches or 41 x 32 x 19 mm.