Do you know what a corundum?The masses that stone called sapphire or ruby.This division depends on its characteristics.If before you colorless or any other stone (except red shades), it is the typical color of sapphires.The cost of sapphires often depends on the cut: the more faces of the crystal is, the more expensive it is.
Rubies have a dark red shades, in its composition containing chromium.These stones are often found in jewelry.The color of sapphires can be reddish or pinkish tinge, a stone called pink sapphires.The average user will easily be confused with those sapphires rubies, color transition is insignificant.Almost clear colorless sapphires are called sapphire.A condition of sale is obligatory presence of a license to trade.
main features of sapphire:
- Stone is composed of only two elements - oxygen and aluminum.
- is very similar to diamond.
- There is a high gloss, but Sapphire is not capable of playing in the light.
most attracts the human eye sapphire property - the ability to play.The process is the ability to split the light sapphire sparks.Light, like a fan, comes from the core of the stone and swings around it.The jewelry is always appreciated shade of stone and brightness of its color.
Classification sapphires depending on the color:
- color stone sapphire can be blue.During experiments, it was found that the composition includes titanium stone.It gives the stone bluish.
- color sapphires can have a yellowish tinge.The iron oxide is able to give a yellow stone.
- Many other options are multicolored sapphires.
reaction stone in different conditions
In the process of heating the stone tends to be clarified.If the sapphire had a pale color, after heating it at all pale.Violet saturated colors smoothly move into pink.
If X-rays expose the sapphire, the degree of intensity of color increases, the color becomes deeper.What color are the sapphires?In short answer to this question is impossible.Corundum yellow, green, orange, pink shades, too, referred to as sapphires.
Very often you can find in nature opaque sapphires.Sapphire can range from blue to gray-blue and finally to gray-yellow.Such stones are most often found in nature.The implementation process of granitic magma in the crystalline limestones able to produce corundum.These deposits are called skarns.When quarrying common uneven coloring, this factor affects the price towards its reduction.
cost sapphires held in line with the diamonds.Interesting fact that until the 19th century all the blue stones are called sapphires.The most striking and colored corundum stones are now considered to be a sky-blue hues (are called Burmese or Ceylon).Less popular shade of green stone (also known as the Australian or Kenya).At the peak of the popularity and value of blue sapphires.