Beatrix potter goody tiptoes

Bone china

Bone china is a type of porcelain body initially developed in Great Britain in which calcined ox bone, bone ash, is an important ingredient. It is characterized by supreme whiteness, translucency and strength. beatrix potter goody tiptoes may be an example of this process.

The first use of bone ash in ceramics is credited to Thomas Frye in seventeen-forty-eight in which he used it to introduce a kind of soft-paste porcelain. In As the eighteenth century drew to a close, Josiah Spode undertook further developments, and subsequently popularised it, by mixing it with kaolin, China stone and china clay to compete against the imported Oriental porcelain.

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

The manufacture of bone china ordinarily uses a 2 stage firing process where the initial "biscuit" is fired without a glaze at 1280