What Is the Difference Between Bone China & Porcelain?

Written by nancy smith
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What Is the Difference Between Bone China & Porcelain?
This is an example of hard paste porcelain. (Image by Flickr.com, courtesy of Karen)

The three types of clay are earthenware, stoneware and porcelain. Of the three, porcelain is the least porous. It is further categorised as soft paste, hard paste and bone china.

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What Is the Difference Between Bone China & Porcelain?
This is an example of hard paste porcelain. (Image by Flickr.com, courtesy of Karen)

Background

Porcelain originated in China, where the production and ingredients were kept a secret. Soft paste porcelain was discovered in Europe through experimentation; bone china was created a little later, in the 1800s.

Hard Paste Porcelain

This is considered the original version of porcelain. It is a mix of kaolin clay and petunste. The clay is fired at very high temperatures, up to 1,315 degrees C. The petunste melts into a form of natural glass and fuses with the kaolin.

Soft Paste Porcelain

Soft paste porcelain, also called artificial porcelain, is a mix of fine clay and frit, which is a glass-like material. The porcelain cannot be fired at high temperatures, and if you look carefully, you will notice that it has a granular appearance.

Bone China

Because of the addition of bone ash, bone china is not as hard as the original porcelain. Bone ash gives the porcelain its translucent quality.

Uses

All forms of porcelain are made as objects of art and tableware.

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