Seer Stone Ema Eggs Riverbed Crystals Amethyst 35mm (1) Ema "eggs" are riverbed seer stones river-tumbled chunks of Amethyst quartz Sizes vary 35mm,well formed eggs with window From the Ema River in southern Brazil, thus the name Includes descrfiptive card, 1 specified buys 1 Amethyst, 3 buys 3 Amethysts, etc. Frosty white on the outside, opaque white rind, polished face