Various ceramics are present in our homes as interior domestic and decoration objects. Commonly we don’t care what they are made of and to which group of the main term they belong. Here is a brief review which can be useful in the case of planning to collect similar objects.
The main features of porcelain that provides its popularity are whiteness and translucency. Kaolin is the main material used. It is burnt glazed between 1200 and 1400 °C temperature. The two types of forming it are pottering and molding. It was discovered in China in the 14th century. The first porcelain manufactures appeared in Europe only in the 18th century (France, Prussia, England).
Terracotta is clay based, glazed or unglazed type of ceramics. This is the earliest material used in history. The end product’s surface is porous, brownish-orange in color, burnt around 1000 °C temperature. It is formed by potter’s wheel. The raw material is very soft, easy to form and decorate by different tools.
Stoneware were already made around 1900 B.C in the valley of Indus. The name is deceptive because the material is a special clay and not stone. It is burnt in a furnace between 1100 and 1300 °C. The end product’s surface is not porous and very hard. It is a non-transparent and commonly glazed ceramic.
Biscuit is an unglazed type of ceramics which is the product after the first burning in a lower temperature. It remains porous which makes glazing easy. Its surface is much finer and marble-like, its shine depends on the temperature of burning. It came to fashion in the second half of the 18th century.
Jasperware is unglazed, matte ceramic which was invented by Josiah Wedgewood in the 1770s. Its special blue version, the Wedgewood blue is the most well-known. The surface is applied with relief work (commonly white). Barium is the main material used.
Ironstone is similar to stoneware as to durability and hardness. It was developed in Staffordshire in the 19th century. It was a much cheaper alternative of porcelain made in mass production. Doesn’t contain iron in contrast with its name.
All types are popular among collectors. Carefully look after the features, production marks and possible injuries before buying antique pieces.