What is ultramarine blue?

Ultramarine blue is a dark blue pigment that was historically rare and expensive pigment. In its natural form, blue is made of land lapis lazuli, a unique stone that is located in very few parts of the world. However, the pigment can be created synthetically. The chemical compound, which forms ultramarine blue, consists mainly of a double sodium and aluminum silicate. In Central Latin means ultra for and marinus means the sea . The word means beyond the sea . The term was probably because the pigment was originally fed to Europe from Asia, through the historic silk road and the Mediterranean. It is a dark blue stone that often has pyrite or calcite veins. The stone was for or exhaled in what is now known as Badakhshan Province in Afghanistan. Other deposits were placed and mined in areas around the world, but the stone remains rare. Sometimes chemicals change to create rVarious colors such as ultramarine purple. Baked solids are ground and washed to create a usable pigment.

This blue has been used in colors and glazes for thousands of years. Before it was produced synthetically, ultramarine blue production was very expensive and therefore rarely used. During the Middle Ages, manuscript illuminators usually saved the color of the pages with scenes of great religious significance.

synthetic pigment was used in Oleo iBarvy based on water. The chemical compound in the ultramarine blue is stable and non -toxic, so it is usually safe for human contact. This property is the main reason why it is often used in the production of cosmetics, food packaging and toy production. It also has excellent properties of heat, light and weather resistance, so it can also have many outdoor uses, such as exterior.

Ultramarine blue pigment is often usedAs color correction for white paper. Adding a little pigment to normal paper pulp, along with optical bleaching, often compares the natural yellow paper pulp. In fact, this process makes the finished paper sharper and cleaner white color.