Martinique plate 8 inch

Bone china

Bone china is a type of porcelain body initially used in England in which calcined ox bone, bone ash, is a critical constituent. It is distinguish by brilliant whiteness, translucency and strength. martinique plate 8 inch may be an example of this process.

The first use of bone ash in ceramics is associated with Thomas Frye in the mid eighteenth century in which he used it to develop a kind of soft-paste porcelain. In At the close of the eighteenth century, Josiah Spode continued with further developments, and duly made it popular, by mixing it with china clay, China stone and kaolin to compete with the imported Oriental porcelain.

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

The production of bone china usually employs a two stage firing where the initial "biscuit" is fired without a glaze at 1280