Natural color treasures are becoming more and more popular nowadays, especially the tourmaline of King of Stones, which is not only fashionable but also healthy, and has attracted more and more attention in the market. Due to the large market potential of tourmaline, there are also many imitation tourmalines, crystal color, glass color, stone and spodumene often used to pretend to be a tourmaline. In many varieties of tourmaline counterfeit varieties, how do we identify true tourmaline? Xiaobian below shares the tourmaline identification trilogy, and my mother is no longer afraid that I will buy a fake tourmaline!
First, identify the tourmaline to see three points: the degree of blur, color, fine lines
(1) Put the tourmaline in the palm of your hand and look inside. The more you look, the more blurred it is.
Since the tourmaline is birefringent, we can use this feature to place the tourmaline on the hand and look inside from the larger side of the tourmaline. The more blurred the line of sight is the true tourmaline. Like crystals or other gems, in general, the more you look inside, the clearer you look. The more the natural tourmaline looks inside, the more blurred it is, and the clear inside is not seen.
(2) Looking at the angle, the natural tourmaline looks different in color from every angle.
There is another characteristic of tourmaline, that is, its dichromaticity. According to this characteristic, if it is a natural tourmaline, the color of each angle should be different. Look at the contrast chart of the tourmaline from different angles.
(3) Natural tourmaline, which contains white cotton
The small lines in the tourmaline are inevitable. Of course, the fewer the fine lines, the better. These fine lines are often called "cotton" or "inclusion". The flocculent inside the natural tourmaline is white, and the imitation tourmaline color is in the fine lines. The color of the fake tourmaline bracelet, although the color is bright but very glaring, not soft, the color inside is not even under the light, the natural tourmaline has natural growth lines, this is the unique growth of the tourmaline, other natural ore I can't take it anymore. Imitation of tourmaline, the color is inside the fine lines; natural tourmaline, the fine lines inside are white.
Second, with the aid of instrument identification
Fluorite is often used to pretend to be blue tourmaline and green tourmaline. Garnet is often used to pretend to be a red tourmaline. Obsidian is a black tourmaline. Many crystal or color-filled resins pretend to be the tourmalines of various colors.
(1) Refractometer detection
We can detect their refractive index by instrument detection. Each gemstone has different parameters for light refraction. According to this parameter, it can be determined whether it is tourmaline, tourmaline, crystal, fluorite, measured parameters are different, tourmaline refraction data The exact one is between 1.624 and 1.644, the fluorite is 1.43, and the glass is about 1.49.
(2) Infrared spectrometer
If the conventional instrument cannot be determined, the infrared spectrometer will be used. The infrared spectrometer will appear - some waves, many peaks and irregularities are tourmalines.
Third, the merchant presents the corresponding certificate of the gem
Let the merchant show the certificate, the test result must be clearly stated as "Bixi jewelry", there is no special explanation in the remarks is true tourmaline, if the note is manual treatment, it is not a natural tourmaline, except this In addition, you can also go to the relevant appraisal agency website or call to verify the authenticity of the certificate. If you are not at ease, you can go to a professional appraisal agency for inspection.
Platinum Crystal is a natural color treasure, using natural mining materials to create urban fashion accessories.
As the saying goes, people are afraid that famous pigs are afraid of strong, and jewelry is the same. As the tourmaline has more and more market value, the fakes will also increase. Xiaobian suggested buying the tourmaline or going to the regular store to avoid buying the sad goods.
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