A great aegirine crystal, very long, aerial, elongated prism, finely vertically striated. It shows an intense green color, almost black, with very sharp faces and edges. Terminal faces are fibrous and show a delicate green color. Accompanied by aegirine crystals, and very nice smoky quartz crystals. On a feldspar matrix. Definitive specimen. THE MAIN CRYSTAL IS: 3,8 x 1,1 x 0,7 cm. Fluorescence UVC (Feldspar).