Tourmaline has always been a favorite among women in the jewelry market, and the gorgeous colors make women admire. However, due to the popularity of tourmaline, some non-commercial traders began to drill this void, using some artificial tourmaline as a natural tourmaline to make huge profits. Therefore, when you buy tourmaline, in addition to picking beautiful, good-looking, you must learn to see the true and false. True and false is the core. If it is glass, no matter how beautiful it is, it is not jewelry. It can't be worth a few dollars, let alone your love. 1 from the appearance Most of the synthetic products are perfect, the colors are bright and very uniform, and the natural products that reach the above levels are generally rare. If a lot of tourmaline stones are put together, the quality of each synthetic product is basically the same, and natural products rarely reach this level. This is to distinguish the natural tourmaline from the artificial tourmaline with the naked eye. 2 fluoroscopy For rubies, the fluorescence of synthetics is stronger than natural products. 3 magnification check This is the most distinguishing feature that distinguishes natural tourmaline from artificial tourmaline. Natural products have various mineral inclusions, and synthetic products generally have no natural mineral inclusions. On the contrary, the synthetic product also has its own unique internal features. For example, the synthetic product with the Werner leaf method has a curved growth line, and its shape is like a rotary pattern of a record, and has a signature characteristic such as a bubble; a flux synthetic product is difficult to observe a typical one. Internal features, but in some cases can see the platinum platelets falling from the enamel, and with the plume and flux droplet inclusions. 4 large instruments For example, an infrared spectrometer, a Raman spectrometer, or the like can be used to test the composition of the gemstone, thereby distinguishing the natural tourmaline from the artificial tourmaline. 5 observe with a dichroic mirror Since most of the synthetic products are produced by the Werner method, the crystals synthesized by this method will crack the crystal along the long axis due to the release of internal energy. The synthetic products are mostly parallel to the optical axis, just like natural products. On the contrary, the synthetic product can see dichroism from the mesa direction, while natural products are generally difficult to observe dichroism from the mesa. Some of the more crude tourmaline carvings and bead strings will be manually processed by injection molding. This type of tourmaline has a poor permeability and a coarse texture due to internal ice cracks. After the injection treatment, it can improve its permeability and cover some cracks and impurities. The artificially treated tourmaline can see the surface of the spider web etched like the jadeite B when it is magnified and observed, and the gloss is not strong enough, the interior is not clear enough, and there is a colloidal mixed feeling. If it is a tourmaline faceted gemstone, then the gelatinized goblin gemstone often does not have the brightness of natural tourmaline bare stone on the reflective surface. Generally speaking, the high-quality natural tourmaline bare stone has almost no impurities and cracks in the body, and has high transparency. If you have these characteristics, then in general it should be a natural tourmaline. 1, tourmaline hardness is higher than glass, so you can draw traces on the glass. 2, all natural tourmalines, there are flocs and ice cracks inside, fake no. 3, the natural tourmaline color has a variety of shapes, generally at least 2-3 colors, (except for small hand beads, ring faces, etc., because these are taken out by a single color of artificial processing) The difference between tourmaline and artificial gemstone Similar to the tourmaline, there are a variety of glass and artificial red sapphires. It is easier to distinguish them, the glass is homogeneous, and there is no refracting double shadow. The glass has a low hardness and a low density. Tourmaline is two-color and dense. Artificial red sapphire is similar in nature to natural red sapphire, and is mainly distinguished by density and refractive index. When we buy tourmaline bracelets or bead chains, we should pay attention to the low-value beads such as crystal or agate. The low-grade beads with color are often more transparent than the tourmaline, and the brightness is not as good as the tourmaline. In addition, the maintenance of tourmaline is also very particular, the tourmaline is hard, but the sex is more brittle, and the inside of the crystal is more common. To this end, tourmaline should especially avoid bumps. Never wash the tourmaline in high temperature water or bake it in the fire. This will easily cause the inner body of the tourmaline to expand, causing cracks in the tourmaline. Be sure to remove the tourmaline jewelry when taking a bath or laundry to avoid damage to the tourmaline caused by hot water. The difference between tourmaline and similar gems Similar to the red tourmaline, there are rubies, red spinels, spodumene, light red topaz, red beryl, and lilac crystal. Gemstones similar to green tourmalines include diopside, emerald, and green beryl. A gemstone similar to the blue tourmaline has a blue spinel. The difference between the tourmaline and the above-mentioned gemstones is that there are obvious double shadows at the corners of the tourmaline. The gas-liquid inclusions and cracks are more, and the dichroism is strong. It is an extremely important feature of the identification of tourmaline. The transparency is good, and the density and refractive index are better. Large difference, large birefringence. The most reliable way to identify them is to measure density and refractive index. In fact, high-quality tourmaline will not go to the glue processing, and high-quality mineral materials will almost always be made into tourmaline faceted gemstones, so generally do not worry about the high-grade tourmaline gemstones have glue injection treatment, but the bare stones of lower prices are only available. May be glued! In addition, gem identification experts have revealed to the gem lovers a simple, most effective and feasible way to identify the authenticity of the tourmaline, that is: put a small amount of red star Erguotou (about 3-5ml) on the tourmaline, tourmaline To pile up into a scented dish, taste the taste of the wine after 3-5 minutes. If the taste is softer than the original wine, it will be true tourmaline, and the softer the taste, the higher the grade of tourmaline; if the taste does not change significantly, still The stimulus is as strong as the beginning, then the tourmaline is fake. Fine Jewelry,Women Men Jewelry,Pearl Jewelry,Gemstone Jewelry,Gemstone Jewelry For Women,Chakr Fine Jewelry,Healing Jewelry JOYA GIFT CO.,LIMITED , https://www.joya-jewelry.com
August 29, 2022