Beatrix potter tabatha twichett and moppet

Bone china

Bone china is a type of porcelain body originally developed in the UK in which calcined ox bone, bone ash, is a major part. It is characterized by supreme whiteness, translucency and strength. beatrix potter tabatha twichett and moppet may be an example of this process.

The first use of bone ash in ceramics is credited to Thomas Frye in 1748 in which he used it to introduce a kind of soft-paste porcelain. In At the close of the 18th century, Josiah Spode carried on with further developments, and subsequently popularised it, by combining it with china clay, kaolin and China stone to compete with the imported Oriental porcelain.

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

Bone china production generally involves a 2 stage firing where the initial "biscuit" is fired without a glaze at 1280