SUPERB EXAMPLE OF A DARK BLUE QUARTZ CRYSTAL TINTED BY RICH INCLUSIONS OF RIEBECKITE FROM THE TRULY CLASSIC SITE FOUND AT ZAGI MOUNTAIN IN PAKISTAN. SIMILAR IN COLOR TO THE SPANISH PIECES, BUT MUCH LARGER. PACKED WELL, ARRIVED MUCH EARLIER THAN PROMISED, AND ARRIVED IN GREAT SHAPE. I HAVE BEEN COLLECTING FOR 70 YEARS AND HAVE A COLLECTION OF OVER 20,000 PIECES............THIS WILL BE A GREAT ADDITION. I WILL BUY FROM HIM AGAIN. AAAAA+++