Porcelain styles, and there are several modern industrial manufacturers. These exported Chinese porcelains were held in such great esteem in Europe that in English "china" became a commonly–used synonym for the Italian term "porcelain". The first mention of porcelain in Europe is in "Il Milione" by Marco Polo in XII sec. Apart from copying Chinese porcelain in "faience" (tin glazed earthenware), the soft-paste Medici porcelain in 16th-century Florence was the first real European attempt to reproduce it, with little success. Early in the 16th century, Portuguese traders returned home with samples of kaolin, which they discovered in China to be essential
Porcelain in 1708. At the time, the research was still being supervised by Tschirnhaus; however, he died in October of that year. It was left to Böttger to report to Augustus in March 1709 that he could make porcelain. For this reason, credit for the European discovery of porcelain is traditionally ascribed to him rather than Tschirnhaus. The Meissen factory was established in 1710 after the development of a kiln and a glaze suitable for use with Böttger's porcelain, which required firing at temperatures of up to to achieve translucence. Meissen porcelain was "once-fired", or "green-fired". It was noted for its