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high quality crystal jewelry wholesale The method of identification of tourmaline
1. Tourmaline has dual refractive
natural tourmaline is placed in the palm of the palm. Looking at it through light tourmaline. We can use this feature to put the tourmaline in the palm of the palm, and look at the more blurred and unclear from the other side of the tourmaline. The fake tourmaline is getting clearer and clearer.
2, multi -angle observation
We observed from different angles, the color of each angle of natural tourmaline is different. Look at the color. , Yellow, blue, green, brown, black, rarely purple, even if there is a relatively light purple, unlike purple like crystals. If you see the more rich purple, it means that it is a fake tourmaline.
3, look at the texture
The natural tourmaline crystals, there are more or less cotton cracks and parcels in the inside of the natural tourmaline crystals. Depending on the color, the price is not the same. If you buy a very bright and transparent tourmaline, and the price is very cheap, then you must pay attention to its true and false.
It color pseudo -brighth bracelets, although the color is bright but dazzling, not soft, the color inside in the light is not uniform, there are natural growth lines in the real tourmaline. The texture, other natural ore can't be impersonated.
4. Detection refractive index
It can be detected by instrument detection by using the instrument to detect the refractive index. Each gemstone has different parameters on the light refraction. Is it different from tourmaline, crystal, and measured parameters. The accurate refraction data of tourmaline is between 1.624 and 1.644.
5. Seeing color
The identification of identifying natural crystals and natural tourmaline rely on color crystals and tourmaline mainly depends on their colors. Generally speaking, crystals are not red and green like tourmaline. , But tourmaline has no purple crystal purple, only purple -red! Therefore, the colors between the two can be used to distinguish between true and false.
Extension information:
The variety of tourmaline:
1, blue tourmaline: Blue tourmaline is very rare, now it has become the most valuable color species in tourmaline. In the clay, Brazil, Madagascar and the United States are also available.
2, red tourmaline: red tourmaline is best with purple -red and rose red, but the natural world produces more with tan, brown red, dark red, etc., and the color changes will change. At the same time, the proportion will change with the color. The proportion of dark red is higher than pink.
3, brown tourmaline: The color of brown tourmaline is darker, rich in chemical element magnesium. Brown tourmaline is mostly produced from Sri Lanka, the Three Kingdoms in North America, Brazil and Australia.
4, colorless tourmaline: colorless tourmaline is extremely rare. There are rare outputs in Madagascar and California, USA. It should be noted that some colorless tourmaline in the market is made after processing by pink tourmaline heated people.
5, green tourmaline: Green tourmaline is the most common in all tourmaline color variants, so the value is also the lowest. It is mostly produced in Brazil, Tanzania and Namibia.
Reference information Source: Baidu Encyclopedia -Tourmaline
andrea bordeaux wholesale jewelry How to distinguish between the authenticity of tourmaline became a common problem in the jewelry market at that time! On the one hand, people are attracted by the beautiful colors and glory of tourmaline, and on the other hand, some of the police merchants are daunting by the good charges of police merchants! Here the colorful stone tourmaline network specifically introduces how to distinguish between the authenticity of tourmaline!
The first point, we divide a line of the true and false of tourmaline! According to ordinary gem concepts and consumers' recognition, we have not changed the color, the color is not manually changed, and the crystal does not fill the glue to fill the radiation and other tricks. Both are classified as fake tourmaline!
If divided like this, then fake tourmaline is included in two categories: one is the tourmaline disposed of in the human work, and the other is the imitation tourmaline of other substances! Let's talk about the physical characteristics of true tourmaline!
The crystal system and shape of true tourmaline: Tourmaline original ore crystals are three -party crystal system (one axis negative crystal). The cylindrical, column development longitudinal lines, and the cross section of the column is an arc triangle.
The proportion and hardness of tourmaline: the proportion of tourmaline 3.06-3.26; hardness is Mohs 7-7.5
Reason; ordinary shell -shaped fracture; good toughness, but green tourmaline will become crispy after heat treatment.
The brightness and luster of tourmaline: Tourmaline is generally bright to semi -open; with strong glass luster.
This tourmaline is multi -color: tourmaline multi -color display is strong. Ordinary poly color is displayed in red and pink; red and yellow and red; blue -green and yellow -green to dark brown green; light blue and dark blue; blue -green and yellow -green to brown -green!
The refractive index of tourmaline: Tourmaline refractive index is 1.624 ~ 1.644; black tourmaline can be as high as 1.727 ~ 1.657.
The dual refractive index and scattering of tourmaline: The double refractive index of tourmaline is 0.020; the color scattered is 0.017
This of tourmaline: Some tourmaline has cat eye effects and discoloration effects.
The ultraviolet fluorescence of tourmaline shows that under normal conditions, pink red tourmaline has weak purple fluorescence, while other tourmaline shows unclear.
The authenticity of tourmaline is actually the first step to distinguish between you in your hands is still the other materials of tourmaline.
The most commonly seen fake tourmaline materials include crystal, fluorite, and glass!
The distinction between crystal and tourmaline is to look at their color. Generally speaking, crystals do not have red and green like tourmaline. The comparison of crystal purple is often seen. Therefore, the color differences between the two can be used to distinguish between true and false!
The authentic distinction between fluorite and tourmaline can be compared with hardness. The hardness of the tourmaline is 7.5 degrees of Mobi, and the hardness of the fluorite is only about 4 degrees. Glass is compared with hardness! Secondly, due to the low hardness of fluorite, the luster of fluorite jewelry is far less than tourmaline! Another thing is that fluorite often uses multi -color information when pretending that tourmaline is pretending to be, and there is no purple in tourmaline. It is often purple when the multi -color releas of fluorite is presented. Trick!
The distinction between the true and false of the glass from the tourmaline. The most clear thing is from the perspective of the internal parcel, which often has small circular bubbles in the glass. It is judged that glass is not a tourmaline! There is another way to install glass preparation tourmaline, that is, using burst glass to pretend to be thick -quality tourmaline. This kind of glass is generally stained after bursting. Therefore, color dyes are piled up at the crack, and the transparent inspection is easy to argue!
The scene with glass to form similar surface tourmaline gems. If the glass looks like a tourmaline, the tourmaline has dual -color and double refraction. These are all glass! Just look at the comparison carefully! And ordinary tourmaline as a gem has a judgment certificate, and the tourmaline pretended to be pretended to be a formal judgment certificate!
Oshin to distinguish between people and the true and false of tourmaline and natural tourmaline? The artificial treatment of tourmaline is first to fill the glue filling. And this kind of filled fake method is mainly on some of the rough tourmaline carvings and beads! This kind of tourmaline has poor transparency in its internal ice cracks and relatively loose texture, so the gum -injection disposal trick can improve its transparency and cover some cracks and impurities! When the appearance of the treated tourmaline is expanded, there is also a similar spider web erode in the emerald B goods, and the processed tourmaline is not delicious inside the toughness, and it has a glue mixed feeling! Another point is that if it is a tourmaline cut gemstone, then the tourmaline gems that have been handled by the glue are not as bright as natural tourmaline on the reflective surface!
The tourmaline gems cut surface because of its transparency and internal structure. In general, high -quality and natural tourmaline nude stones are in the body that the naked eyes are fundamentally seen. Its brightness is also often high! If you see the tourmaline nude stones, it will have these characteristics, then it will not be dealt with!
Actually, high -quality tourmaline will basically not get glue disposal. High -quality minerals are simply made into tourmaline cut gems, so ordinary do not worry about high -end tourmaline gems. Those naked stones with low prices can be treated!
This is not a very easy job to distinguish between tourmaline, but it is definitely not a very hard matter. If you like tourmaline, pay more attention to the common sense of tourmaline, and and also pay more attention Look at the true tourmaline that is reliable, so you can successfully divide the authenticity of ordinary tourmaline!
wholesale laser cut jewelry Pay content for time limit to check for freenAnswer dear, hello, you are answering this question for you. You need to wait patiently for about five minutes. The answer will be revealed for you immediately. Please do n’t worry!nFirst of all, the density of tourmaline is large, so when you weigh with your hands, you will find that tourmaline will be heavier than crystals and glass. 2. Tourmaline is very rich in color. Some of the same crystals may appear different colors. Looking at tourmaline at different angles at different angles at different angles, you will find that the light and darkness and tones of the tourmaline will change. 3. Tourmaline has a hot effect, what is the hot effect? The hotspot effect is what we call the friction. After the tourmaline rubbing, it can suck a small paper crumbs. 4. When we observe through the tourmaline with a magnifying glass, the face and impurities on the back of the tourmaline will show a more obvious heavy shadow effect.nIf you have other questions, you can call me at any time, we are always preparing for you ~ I wish you a happy life!n1 morenBleak
wholesale silk jewelry pouches Tourmaline is a gem -level mineral with high hardness. You can draw it to see if there are scratches.
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