Mochaware Mug with Seaweed Decoration

$1,930.00

Made in England circa 1810, this exquisite mug is decorated with two orange-colored slip bands. Each band is decorated with midnight brown “seaweed” over the slip. The orange bands are separated by bands four thin bands of midnight brown and a beautiful band of green glazed rouletting along the mug’s top and base. The managers of mochaware factories often only specified the style of the work but gave each turner some freedom regarding the choice of design and colors. With rare exceptions, each piece of mochaware is unique.

Dimensions: 4.75″ tall x 3.25″ diameter

Condition: Excellent

In stock

Background of Dendritic Decoration on Mochaware

The seaweed-like pattern results from a dynamic process in which the contact line between two liquids, the acidic dark brown coloring and the alkaline orange slip below becomes unstable. The acid/base chemical reaction drives the instability. To make this design, the lathe turner removed the bowl from the lathe. Then he dipped his brush into the dark brown acidic concoction and touched the brush to the orange bands, whereupon the dark brown coloring ran quickly spreading to form the “seaweed.”


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