5.5" high x 3.5" wide Earth crust slurry melted,is exterior glaze, which is written on mug. Tenmoku is the shiny brown interior and top third. Thumbwell is filled with greenish cloudy glass. No words written on the mug about the materials, but comes with information about the Kane Fracture Zone on the mid-Atlantic Ridge, from where the slurry/glaze came. |