Bellemeade plate 6 1 2 inch

Bone china

Bone china is a kind of porcelain body first used in the United Kingdom in which calcined ox bone, bone ash, is a critical part. It is characterised by high whiteness, translucency and strength. bellemeade plate 6 1/2 inch may be an example of this procedure.

The first use of bone ash in ceramics is associated with Thomas Frye in the mid eighteenth century in which he used it to make a type of soft-paste porcelain. In In the late eighteenth century, Josiah Spode carried on with further developments, and consequently made it popular, by combining it with kaolin, China stone and china clay to compete with the imported Oriental porcelain.

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

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