6" x 2.25"
Band under the lip is the sediment from the K-T Band., Other brown is a thin wash of a rock that looks very dense when applied thickly but here it's sheer. Sea-glass center.
3.5" x 2.5"
K-T Band is under the whitish glaze (assembled from refined materials), under which is the Earth crust slurry from Mid-Atlantic Ridge, applied to clay where a chatter pattern happened when trimming at the leather-hard stage of drying.