Fontenay plate 10 5 8 inch

Bone china

Bone china is a kind of porcelain body initially developed in Great Britain in which calcined ox bone, bone ash, is a major part. It is distinguish by high whiteness, translucency and strength. fontenay 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 18th century drew to a close, Josiah Spode undertook further developments, and consequently popularized it, by mixing it with china clay, kaolin and China stone to compete with the imported Oriental porcelain.

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

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