Faience or faïence (/faɪˈɑːns/ or /feɪ-/; French: [fajɑ̃s]) is the conventional name in English for fine tin-glazed pottery on a delicate pale buff earthenware body, originally associated by French speakers with wares exported from Faenza in northern Italy. The invention of a white pottery glaze suitable for painted decoration, by the addition of an oxide of tin to the slip of a lead glaze, was a major advance in the history of pottery. The invention seems to have been made in Iran or the Middle East before the ninth century. A kiln capable of producing temperatures exceeding 1,000 °C (1,830 °F) was required to achieve this result, the result of millennia of refined pottery-making traditions. The term is now used for a wide variety of pottery from several parts of the world, including many