subject: How To Identify The Real Crystal [print this page] Natural crystal is non-renewable resources, so the biggest crystal exploit place in domestic limits the exploitation. However, facing the large demand of crystal, some businessmen to reduce the cost, use craft crystal replace as natural crystal , heavily damage customers, interest.
To identify the real crystal, you need to analyze with specific circumstance, such as crystal items, craft, crystal glass, crystal antique and so on. Before identify, you need to know the form condition and general type of natural crystal.
The forming environment of natural crystal is most underground or in grotto. Owing to the little growing space, especially when meeting the earthquake, it is easy to be squeezed by other ore, so there will be different appearance of crystal. Besides, when the crystal is in liquid style, it will grow with other ore and dust and so on. So the form of crystal has following characteristics:
1.Cracked ice. To the permeability crystal, it just like there is crack in inner vision. It is very common to some crystals, like pink crystal, amethyst and so on.
2.The surface of crystal has place like hollow, it is natural formed in the growing process of crystal, and not the humanity destroy. It is very common in titanium crystal and gold rutilated quartz and so on.
3.To permeability crystal, the inner parts should be permeability while it is not. When you look at them it just like there are cotton fiber inside.
In purchasing the natural crystal , here are several methods for you to identify the real crystal.
1.Look: during the forming of natural crystal, the crystal will contained many impurity influenced by environment. Observing under the sun, you can see some crack or other material. The fake ones usually smelted by crystal residue and glass residue, produced after polish processing and coloring, there are no cracks and catkin material.
2.Lick the crystal with tongue. Even in hot summer, if you lick the surface of natural crystal, there will be a cold feeling. The fake crystal doesnt has these feeling,
3.Illumination: put the natural crystal under sun; observe it from any angle, there will be dazzling glory.
4.Hardness: the natural crystal has a great hardness. Using macadam scratch lightly on crystal, there will no trace.
5.The natural amethyst has dichroism, while the fake crystal hasnt.
6.Check with hand lens: checking the crystal with tenfold hand lens, if you can find bubble, you can confirm that it is fake crystal.
7.Check with hair: put crystal on a hair, if you can see two shadows of hair, then it is real natural crystal.
