Peat is found in abundance, as well as gypsum, china-clay, potters' earth and salt.
WILLIAM COOKWORTHY (1705-1780), English potter, famous for his discovery of the existence of china-clay and chinastone in Cornwall, and as the first manufacturer of a porcelain similar in nature to the Chinese, from English materials, was born at Kingsbridge, Devon, of Quaker parents who were in humble circumstances.
The exports are ice, timber (including telegraph poles for the British government), wood-pulp and copper, and the imports coal and china-clay.
A few of the most important clay rocks, such as china-clay, brick-clay, red-clay and shale, may be briefly described here.
China-clay is white, friable and earthy.
Yellow and pinkish varieties of china-clay and pipe-clay contain a small quantity of oxide of iron.
The best known localities for china-clay are Cornwall, Limoges (France), Saxony, Bohemia and China; it is found also in Pennsylvania, N.
Formerly busy with sailing schooners and ketches in the china-clay export trade.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.