Experts say the city: Do not pay for coral fraud

Today, many tourists who come to Taiwan often choose coral as a souvenir, not only because the jewelry and ornaments they make are very beautiful, but also attract a lot of people's attention because of their huge appreciation trend. But it is worth noting that the current coral fraud is very rampant.

In fact, not only in Taiwan, but also in many jewelry stores and gemstone retail stalls in the Mainland, there are some products known as “red corals”, which range in price from tens of yuan to hundreds of thousands of yuan. Some high imitation "red corals" made from sea bamboo and white coral dyeing often make the people who do not know how to do it.

The biggest difference between natural red coral and dyed red coral is the trend of the texture. For example, a cylindrical red coral, first of all, from the cross-section, the natural lines are concentric, dyed with radial lines; from the side, natural is like a stream or swirly pattern, dyed is a parallel pattern.

The spacing of the lines is also particular. The spacing of natural corals is small, generally only about 0.5mm, and the spacing of dyed lines is generally about 1mm or even larger. The large and small grain spacing is related to the growth rate. The fine grain is the natural deep sea red coral, because it generally grows in the deep sea, the water pressure is very large, and it naturally grows slowly. The thick grain is because it grows fast and belongs to the shallow sea coral (sea bamboo, sea willow) dyed. If you are buying red coral beads, you can soak them in the water and observe the bubbles on the surface of the coral. If the bubbles are very fine and tiny, the coral is denser; if the bubbles are larger and looser, the coral structure is loose and the density is small. Some people thought that the surface of stained corals with alcohol would fade, but in fact, some people in the industry have done experiments, and the red corals dyed with alcohol have not faded one day and night, showing how good the dyeing technology is now.

Even true red corals are graded and the price is very transparent. The top red coral is "AKA Red", which is the Chinese translation of "Aka". It is based on the level of Deep Red Aka or Red Aka in Taiwan. It is commonly known as "Bovine Blood" coral. The current price has reached 500 per gram. Between 4,000 yuan. The second level is called "Sardin Red". It is named after the production of Sardinia in Italy. It is a big red stage, commonly known as "Chilli Red" coral. The price is basically around 300 yuan per gram. The third is “MOMO Red”, the color is second to Aka Red, and it is a meat peach red or orange red color, and the price is about 200 yuan per gram. If the price of your "missing" is much lower than this, it is basically a fake.

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