Deep Purple Amethyst Agate Geode Cluster with Crystal CalciteDeep Purple Amethyst Geode Cluster with Crystal Calcite Formation on Agate Matrix, on Stand Beautifully formed this deep purple amethyst with agate matrix cluster brings one of the deepest purple color tones of any Amethyst, this deep color tone mixes beautifully with the Amethyst Flower formations and the Calcite point in its center. A fantastic Amethyst specimen which I have no doubts will look magnificent on your collection or decor. It is an AA