Albany plate 10 5 8 inch

Bone china

Bone china is a kind of porcelain body initially used in England in which calcined ox bone, bone ash, is an essential part. It is distinguish by extreme whiteness, translucency and strength. albany plate 10 5/8 inch may be an example of this procedure.

The initial 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 As the eighteenth century drew to a close, Josiah Spode undertook further developments, and consequently popularised it, by mixing it with kaolin, China stone and china clay to compete with the imported Oriental porcelain.

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

The manufacture of bone china normally employs a 2 stage firing process where the first "biscuit" is fired without a glaze at 1280