15.25" x 7.25" x 1.75"
Center, under eel grass residue, are Bermuda Rise coordinates -- the sediment glaze that ends were dipped in before side-dips of lavender glaze (assembled from refined materials).
Two effects of the eel grass remain: ash resideu in glossy lines and salt blush where vaporized salt interacted with silica in the iron-rich clay body and left orange sheen. I read that as an aura of where seaweed once was.
Lavender glaze assembled from refined materials.