You will need
  • magnifier, microscope, turquoise, or garnet, fluorescent lights, bright light source
Instruction
1
Ruby from counterfeits differs primarily in size. Large, densely painted ruby is very rarely found in nature. If the stone is very large, its origin should be alerted.
2
Most of the stones are of bright red color in jewelry is synthetic corundum. Unlike natural rubyov, they were flawless shape. Natural stone usually has internal defects. Grown by the method Vernale corundum has a curvilinear zonality of colouring, which there is no natural rubyE. Sometimes they even meet bubbles and red ultraviolet fluorescence. Natural ruby can also have bubbles, but they are usually the same color as the stone.
3
If you view the stone under a magnifying glass and a microscope, synthetic rubye, grown by flux method, it is possible to detect inclusion of the flux. In addition, you can see traces of materials growth chamber (crucible) - platinum, gold and copper.
4
Ruby is a very durable stone. If scratch RubinOhm rock with lower strength, for example, the turquoise, or the grenade will be visible scratches.Have a rubyand no cleavage. So smash the ruby is very easy.
5
The characteristic features of rubyand visible under strong lighting.
The color of the natural stone in bright light it becomes darker. Well observed needle-like inclusions, giving the so-called "silk" sheen.
In the cabochon cut, natural rubyand such inclusions give the effect of six-pointed stars. All of this can be viewed under a microscope.
6
If fake ruby to direct UV light, it turns orange.
7
Crack on the stone surface can be an indicator of origin.
In natural stone crack will not Shine and will be in a zigzag. Have fakes , be it straight and shiny.In any case, if there is doubt about the authenticity of the stone, it is better to go to the jewelers. Before purchasing you must carefully examine the documents on the product with precious stone.