How to identify gemstone

Gemstone has a lot of branches, which contains emerald, ruby, sapphire, amethyst, opal, topaz, aquamarine, tanzanite, citrine, garnet, tourmaline, lapis lazuli, jade, zircon, iolite, moonstone, amber, turquoise, coral, agate, onyx, bloodstone, jasper, pearl and diamond and so on. It is a precious gemstone. In order to make more profit some dealers import some fake ones instead of the best quality ones. There are several pieces of gem identification tips here that may be useful to you.
Among these gemstones diamonds, rubies and emeralds are the most value. The color of opals is the most brilliant. Different gemstone owns different characters. First you should be able to classify the types of gemstone. Then feel the surface of gemstone, your gemstone should not be felt rough texture but seemed very elegance. Then we need the help of light holding the stone up to the light. Make a compare between a magnifying glass and gemstone. If there is no flaw there is not real gemstone. Most gemstones may have somewhere is not perfect, but cut glass is flawless.
In order to make the gemstone look more attractive some dealers make the stone dyed, heated or irradiated, You should be more careful when choose the gemstone. In fact the safest idea is getting an IGS certificate or other official recognition document when buying some gemstone, do not be hurry up to do it.