This 7.7-inch diameter Split Agatized Black Ammonite Pair, weighing a combined 2.86 pounds, showcases the intricate process of agatization, where silica-rich agate filled the fossil's internal chambers. Carefully cut and polished, it reveals detailed whorls, septa, and mineral-filled chambers, offering a rare glimpse into the structure of this ancient marine creature with both scientific and aesthetic appeal.
Designated for our Reserve Collection, this piece stands apart due to its magnificent quality. Stands not included. Shop the Stands & Accessories Collection.
