Group of aegirine crystals with an intense green color, almost black, and very sharp faces and edges. Some prism faces are vertically striated and show multiple and complex terminal faces, some of them with a fibrous shape. They are accompanied by feldspar and small but very well defined zircon crystals, with an orange color. THE MAIN CRYSTAL IS: 2,7 x 0,9 x 0,7 cm. Fluorescence UVC (Feldspar).