Orchard hill coffee pot large

Bone china

Bone china is a kind of porcelain body initially produced in Great Britain in which calcined ox bone, bone ash, is a major part. It is differentiated by extremely high whiteness, translucency and strength. orchard hill coffee pot large may be an example of this process.

The first use of bone ash in ceramics is associated with Thomas Frye in in the late 1740s in which he used it to develop a type of soft-paste porcelain. In Towards the end of the eighteenth century, Josiah Spode continued with further developments, and consequently popularized it, by combining it with kaolin, China stone and china clay to compete with the imported Oriental porcelain.

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

The manufacture of bone china consistently involves a 2 stage firing where the initial "biscuit" is fired without a glaze at 1280