Beatrix potter rebecca puddelduck

Bone china

Bone china is a kind of porcelain body first produced in the United Kingdom in which calcined ox bone, bone ash, is an important ingredient. It is characterized by supreme whiteness, translucency and strength. beatrix potter rebecca puddelduck may be an example of this process.

The first use of bone ash in ceramics is associated with Thomas Frye in seventeen-forty-eight in which he used it to develop a type of soft-paste porcelain. In In the late 18th century, Josiah Spode undertook further developments, and subsequently popularised it, by mixing it with kaolin, China stone and china clay to compete with the imported Oriental porcelain.

The original elementary recipe of six parts bone ash, four parts china stone, and three and a half parts china clay is still the standard English body.

The production of bone china mainly uses a two stage firing process where the initial "biscuit" is fired without a glaze at 1280