Marvelous Deep Purple Amethyst quartz cathedral geode Mineral Specimen. This amethyst specimen comes in a stunning violet hue with countless sparkling crystals. Derived from the La Genuina Amethyst Mine south of Artiagas, Uruguay. It is in Excellent Condition. Measures at about 3.4" in height, 1.7" wide and 0.6" in length. Please see pictures for further description.