Forsyth teapot large

Bone china

Bone china is a type of porcelain body initially produced in England in which calcined ox bone, bone ash, is an important ingredient. It is characterised by brilliant whiteness, translucency and strength. forsyth teapot large 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 introduce a kind of soft-paste porcelain. In In the late eighteenth century, Josiah Spode continued with further developments, and consequently popularised it, by combining it with china clay, China stone and kaolin to compete against the imported Oriental porcelain.

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

Bone china production mainly makes use of a two stage firing where the first "biscuit" is fired without a glaze at 1280