china stone

British  

noun

1. a type of kaolinized granitic rock containing unaltered plagioclase

2. any of certain limestones having a very fine grain and smooth texture

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Example Sentences

This was granted by Champion, but with this singular restriction—that, although they were allowed to use a certain quantity of china clay and china stone, they were not to make porcelain.

From British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. by Arnoux, L.

In this way the rotten granite or china stone, used in pottery, originates; and over considerable areas kaolin replaces the felspar and forms valuable sources of china clay.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various

There is plenty of limestone, with china stone at Brymbo.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" by Various

The Bristol porcelain, like that of Plymouth, was always a true felspathic porcelain resembling the Chinese, but made from the china clay and china stone of Cornwall.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various

A great part of the surface in this neighbourhood has been opened for china clay and china stone, but by far the most important mine is that of Carglaze, once worked for tin.

From Nooks and Corners of Cornwall by Scott, C. A. Dawson