Discovering The Beauty of Plume Agate Jewelry Pleasing Plume Agate Jewelry is an astonishing and unique variety of gemstone distinguished by its rare features and unique pattern. Patterns in plume agate a fascinating flame-like image formed by the deposition of iron oxide and hydroxides which gradually keep growing. Plume agate comes in different varieties of colors due to different amounts of mineral oxides it can be found in white, red, and brown color according to the deposition.