Beatrix potter mrs rabbit and peter

Bone china

Bone china is a kind of porcelain body originally used in England in which calcined ox bone, bone ash, is a critical part. It is characterized by extremely high whiteness, strength and translucency. beatrix potter mrs rabbit and peter 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 develop a type of soft-paste porcelain. In At the close of the 18th century, Josiah Spode carried on with further developments, and subsequently popularized it, by mixing it with China stone, china clay and kaolin to compete against the imported Oriental porcelain.

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

Bone china production customarily involves a two stage firing where the initial "biscuit" is fired without a glaze at 1280