Natural Calcite On Amethyst Cluster (15 Lbs)

Unusual 7'' elongated rhombic calcite crystal with modified terminations on gem amethyst crystal matrix. The calcite crystal shows fully terminated faces composed of small micro-etched faces, with a rich transparent golden yellow core. There is a very light micro-crystal coating over the calcite which gives it's a scintillating sparkle. This piece is in supreme condition and is a top collectible specimen.