petuntse , auch: petuntze

It is sometimes confused with petuntse, which although somewhat similar, is a different rock.

Other raw materials can include feldspar, ball clay, glass, bone ash, steatite, quartz, petuntse and alabaster.

Hard-paste porcelain is a ceramic material that was originally made from a compound of the feldspathic rock petuntse and kaolin fired at very high temperature.

Porcelain is made from a hard paste made of the clay kaolin and a feldspar called petuntse, which cements the vessel and seals any pores.

In his first letter dated 1712, d'Entrecolles described the way in which pottery stones were crushed, refined and formed into little white bricks, known in Chinese as petuntse.