Bone china is type of porcelain body first developed in the Britain in which calcined ox bone, bone ash, is a major constituent. It is characterised by high whiteness, translucency and strength. Porcelain is a hard ceramic substance made by heating at high temperature selected and refined materials often including clay in the form of kaolinite. ... Binomial name Bos taurus Linnaeus, 1758 Cattle are domesticated ungulates, a member of the subfamily Bovinae of the family Bovidae. ... Bone ash is the white, powdery ash left from the burning of bones. ...

Bone ash was first used in ceramics by Thomas Frye in 1748 to make a type of soft-paste porcelain. In the late 18th century, Josiah Spode further developed its use by mixing it with china clay, kaolin and China stone to compete with the imported Oriental porcelain. Events April 24 - A congress assembles at Aix-la-Chapelle with the intent to conclude the struggle known as the War of Austrian Succession - at October 18 - The Treaty of Aix-la-Chapelle is signed to end the war Adam Smith begins to deliver public lectures in Edinburgh Building of... Soft-paste porcelain is a substitute for true porcelain. ... (17th century - 18th century - 19th century - more centuries) As a means of recording the passage of time, the 18th century refers to the century that lasted from 1701 through 1800. ... Josiah Spode (23 March 1733 - 1797) was an English potter. ... Quaternary clay in Estonia. ... Kaolin Kaolinite (Aluminium Silicate Hydroxide) Kaolinite is a mineral with the chemical composition Al2Si2O5(OH)4. ... China stone is a medium grained, feldspar-rich partially decomposed granite. ... The term the Orient - literally meaning sunrise, east - is traditionally used to refer to Near, Middle, and Far Eastern countries. ... Porcelain is a hard ceramic substance made by heating at high temperature selected and refined materials often including clay in the form of kaolinite. ...

Production usually involves a two stage firing where the first, biscuit, is without a glaze at 1280°C (2336°F) gives a translucent product and then glaze, or glost, fired at a lower temperature below 1080°C (1976°F).

See also

• Soft-paste porcelain
• Hard-paste porcelain

Soft-paste porcelain is a substitute for true porcelain. ... Hard-paste porcelain is a hard, dense ceramic made from a compound of the feldspathic rock petuntse and kaolin fired at very high temperature. ...

External links

• How Bone china works
• Bone China and the benefits of fine bone china.