Color of sapphires: depends on what

Do you know what corundum is? In the popular masses, this stone was called sapphire or ruby. This division depends on its characteristics. If you have a colorless or some other stone (except for red shades), then this is the typical color of sapphires. The cost of sapphires often depends on the cut: the more faces a crystal has, the more expensive it is.

Rubies have dark red shades, they contain chrome in their composition. These stones are often found in jewelry. The color of sapphires can have reddish or pinkish shades, such a stone is called pink sapphires. Usual users will easily confuse such sapphires with rubies, color transition is insignificant. Almost transparent, unpainted sapphires are called leucosapphires. The condition for their sale is the mandatory availability of a trade license.

The main features of leukosapphire are:

• The stone has in its composition only two elements - oxygen and aluminum.
• There is a lot of similarity with diamond.
• There is a strong shine, but sapphire is not able to play in the light.

The most eye-catching property of sapphire is the ability to play. The process is the ability of a sapphire to break light into sparks. Light, like a fan, emanates from the core of the stone itself and swings around it. In the jewelry business is always appreciated the shade of the stone and the brightness of its color.

Classification of sapphires according to color:

• The color of the sapphire stone can be blue. During the experiments, it was found that the composition of the stone includes titanium. It gives the stone a bluish tinge.
• Color of sapphires can have yellowish shades. Iron oxide can give a yellow stone.
• Many other variants refer to multi-color sapphires.

The reaction of the stone in different conditions

In the process of heating, the stone has the property of becoming lighter. If the sapphire had a pale color, then after heating it will turn pale at all. Violet saturated colors will smoothly turn into pinkish.

If you subject the sapphire to X-rays, the degree of intensity of the color will increase, the color will become deep. What color are sapphires? In a word, it's impossible to answer such a question. Corundums of yellow, green, orange, pink shades are also referred to as sapphires.

Very often in nature you can find opaque sapphires. The color of sapphires can vary from blue to gray-blue and eventually to gray-yellow. It is these stones that are most often found in nature. The process of introducing granite magma into crystalline limestones is capable of generating corundums. The aforementioned deposits are called skarns. When mining a stone, there is often uneven coloring, this factor affects the price in the direction of its decrease.

The cost of sapphires is kept on the same line as diamonds. An interesting fact is that until the 19th century all blue stones were called sapphires. The most bright and colored corundum is now considered to be stones with sky-blue shades (called Burmese or Ceylon). Less popular is the green shade of the stone (also called Australian or Kenyan). At the peak of popularity and value, blue sapphires.