Identification of jewelry ruby

Natural stones "Ten Red 9 crack", with no flaws and cracks natural ruby is extremely rare. Synthetic ruby color and consistent, less internal defects or crystalline inclusions, clean, large blocks. As precious stones, the market more than 3 kt or more natural ruby is very rare, such as a large block of ruby met, it is necessary to attract attention, because natural ruby synthetic ruby value higher than a thousand times, the slightest negligence will "medicine."

There is a strong natural ruby "dichroism", the so-called dichroism from different directions to see if two kinds of red and orange-red hue, such as only one color, it may be red spinel, garnet or red glass Wait.