Black aves tea cup

Bone china

Bone china is a kind of porcelain body initially developed in the UK in which calcined ox bone, bone ash, is an essential part. It is distinguish by brilliant whiteness, translucency and strength. black aves tea cup 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 At the close of the 18th century, Josiah Spode undertook further developments, and subsequently made it popular, by mixing it with China stone, china clay and kaolin to compete against the imported Oriental porcelain.

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

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