Jewelry processed manufacturers said that during the formation of natural crystals, it is often affected by environmental impacts. When observing the sun, you can see a slight uniform and small horizontal or catkins. The fake crystal jewelry is mostly melted with residual crystal slag and glass residue. It is made of polishing and imitation of color. There is no uniform stripes and catkins.

Natural crystal jewelry can be placed in the sun, and no matter from which angle, it can release beautiful glory. If you are fake, you can't. Even in the hot summer, licking the surface of the natural crystal with the tongue, it also feels cold and cool. Fake, there is no cool feeling. Natural crystal hardness is high, and it will be gently scratched on the jewelry with gravel, leaving no traces; if there is a marks, it is a fake. Under the polarized mirror, 360 degrees has a natural crystal jewelry that changes in the four dark and four darkness. What is not changed is false.

Use a ten -fold magnifying glass to check under the transmission light, and those who can find bubbles can basically be fake. Natural amethyst has two colors, and there is no two -color ones. Putting the crystal jewelry on a hair silk, the human eye can see the hair of the hair through the crystal, which is natural, mainly because it has double refraction. Adjust the thermal guide to the green 4 grid test gemstone. The natural crystal can rise to 2 cells, but the fake will not rise, and when the area is large, it rises to a yellow grid.