From "porcus" or "porcellus," based on an analogy that is unclear to us.
A name given in ancient times to several species of mollusks of the genus ciprea, because of their characteristic shiny shell, used for ornamental work.
It has ancient origins; the one most characteristic and of particular interest to us was fully developed under the Ming dynasty, in China, and is often identified as "blue and white."
The term porcelain refers to a particular type of pottery, which is very valuable and is fired at much higher temperatures than other types of earthenware.
Its mixture is made up of three elements, each in a different percentage:
- Quartz (mineral)
- Feldspar (mineral)
- Kaolin (detrital rock)
The terms "ceramic" and "porcelain" are often confused, or confusing.
Ceramic, compared to porcelain, is considered less valuable, this is because of its composition: a mixture of minerals, clays, sands and sometimes aluminum. Another major difference is found in the transparency of the material itself, which is more transparent in porcelain when placed near a light source.
In addition, its open porosity is zero, meaning that the material, once baked, becomes waterproof even without the use of the crystalline (or glaze) that serves to create an additional protective layer on top of the object.
Originally, the blue pigment that was used for porcelain paints was cobalt oxide, and lead was one of the main ingredients in the color. Over time this metal was later replaced by other materials, but it is still possible to find it commercially in some colors, marked as lead.
We at Flonia have chosen to use lead-free colors to ensure not only people's health, but also a long life for our jewelry, as this way the paint is protected from crystalline, and the color will be preserved on the porcelain forever.