Tourmaline is also known as "Bi Selenium", "Bi Wash", "Bi Xia", etc., the English name "Tourmailine", from the ancient Sinhalese language Turmal. It means a gemstone of mixed colors. Tourmaline, also known as tourmaline in mineralogy, is characterized by piezoelectricity and thermoelectricity. Nowadays, many merchants in the market are willing to replenish their products for their own sake. Some even use products with similar colors to act as tourmalines. Many friends who do not know how to make friends are unfortunately recruited!
Now 85% of the green beads on the market are not tourmalines, but the green crystals that are not on the plate; some merchants are constantly making their own tricks in order to make the green crystal look more like a tourmaline, and it is impossible to prevent!
So the three trends in the tourmaline market have to be concerned:
First, the sales volume of a small number of colored gemstones has increased greatly, which has caused the Caibao market to become the hardest hit area for fraud. Emerging colorful treasures such as tourmalines and emeralds and colored diamonds often appear in the field of counterfeit goods. Among them, the tourmaline's "beads" products often appear as "fish-eyes": a bunch of colorful tourmaline bracelets, the pink part is indeed a true tourmaline, while the yellow part is detected as citrine or tea crystal, the green part is detected as Green crystal.
Second, the number of online jewellery increased significantly in 2013, mainly concentrated in the field of low-end products, including jade in the large category (mainly low-grade jade with a price below 20,000 yuan), including pearls. , crystal, plain low-end tourmaline, agate and other low-grade jewelry categories.
Among them, the most prominent case of fraud is that artificial or dyed crystals pretend to be natural crystals, and beans are white jade posing as glutinous rice with colored jade.
Third, there are still many cases of buying fakes in travel shopping, especially with colored gems. Among them, red sapphire is often optimized and dyed, emerald is synthetic, and cat's eye is simply cat's eye effect. Made of quartz stone or a product of numerical synthesis.
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