But genuine porcelain is made from a mixture of quite different materials--a mixture of decomposed feldspar known as kaolin, and petuntse. [Please select]
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Cookworthy's Discovery of Kaolin and Petuntse, and Patent -- Sold to Mr. [Please select]
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"Already I have told you that the Chinese made beautiful porcelains from kaolin and petuntse, two clays which produced a hard, semi-transparent china," he began. [Please select]
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Gradually, however, it became better, until now--although England turns out almost no true porcelain, that is, the scientifically blended kaolin and petuntse clays--she makes some of the most beautiful and durable china manufactured anywhere. [Please select]
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