Much of its growing activity is due to the china-clay business; St. Austell claims to be the china-clay metropolis of the world.
A place that flourishes on the china-clay works in the neighbourhood.
The celibates should have a hole bored in the middle of the ear, and wear therein a ring of rhinoceros horn or china-clay.
The china-clay rocks of Cornwall and Devon are granites in which the orthoclase has become kaolinized.
The alkali species yield kaolin by alteration, and are thus the source of china-clay.
Granite and china-clay, fire-bricks and fish are exported here, and the fishing done is fairly extensive.
Peat is found in abundance, as well as gypsum, china-clay, potters' earth and salt.
china-clay is a substance greatly resembling chalk, and varying from a putty-like consistency to a powdery brittleness.
Limestone, grindstones, china-clay and building-stone are quarried.
china-clay is decomposed granite, rotted by the action of water during uncounted thousands of years.