I believe many people have heard a lot of "urban legends" when they buy gems. What kind of stone is this jewel, how many names are there, what kind of gems are good, and what gems need to be maintained. Xiao Bian is a professional origin, and at a glance, I know if it is true or not. However, I don’t know, it’s really just a rumor.
Some of the common sense of rumors are actually illusory, especially the common sense of gems. You don’t know how to buy gems to break the money. If you don’t understand common sense, you may even be terrible!
"Sapphire is blue, so green gem is called emerald."
Rumors: Named directly by "color + gems", only rubies and sapphires, all other gems have their own professional mineral and commercial names.
Interpretation: Because the world's top five gems, rubies and sapphires are the most well-known in addition to diamonds, ancient and modern Chinese and foreign have a story of the royal family to collect them, the value is also known by people. The most important thing is that these two gems belong to the same kind of minerals. The big name is corundum. In the gem-quality corundum, the two gems are distinguished by the color. So in the strict sense, the "color + gem" naming method only exists in gem-quality corundum, not all colored gemstones.
"The world's top five precious stones are all very expensive."
Rumors: One of the world's top five precious stones is called "Gold Emerald". Only gold emeralds with cat's eye effect or color change effect can be equal to the value of other precious stones.
Interpretation: Many people prefer to call the gold emeralds in the five precious stones as opal, because this is more direct. Gold emeralds are of course famous for their cat's eye effect, so that "cat's eye" has become the exclusive name for the golden emerald with cat's eye effect. Other gemstones with cat's eye effect are named after "cat's eye + gemstone name". Gold emeralds without special optical effects, the color is not the mainstream red, green and blue in colored gemstones. The public does not appreciate this, but after having the cat's eye effect or the color change effect, plus its high hardness and low output, it is immediately The value is doubled.
"Jade is also called jade! ã€
Rumors: Generally speaking, "Jade" refers to the name of Hetian jade, which is the name of nephrite, and the jadeite of the scientific name jadeite. In fact, people who know how to say "Jade" simply refers to the soft jade in the narrow sense, that is, Hetian jade, jadeite jade Call the emerald.
Interpretation: Chinese people especially like to play jade. In the eyes of Chinese people, the gemstone category should contain jade, so it is also called jade stone. Only the "Jade" that the Chinese know how to appreciate, the Chinese themselves often can't tell, and the stones that are different from the large crystal gemstones are called "Jade". The most common one is the chalcedony, agate, and Hetian jade. Both jade and jade are called "jade", but the value is quite different. The value of Hetian jade and jadeite is the highest among them, but it is not a kind of thing. In order to distinguish and understand, the gentle jade and jade are generally called "jade", and the emerald green is called "Jade".
"Only the ruby ​​made in Myanmar can become a pigeon red blood"
Rumors: As long as a certain chromatographic range is reached and the fluorescence intensity is recognized, whether it is made in Myanmar or Mozambique, it can be considered as pigeon blood red.
Interpretation: Many people buy rubies and they are superstitious, and the pigeons are bloody and superstitious. Although the blood red of the Mogo pigeon is old, it is not bad, but because of long-term mining, the output and average quality have declined. The red treasure deposit discovered in Mozambique in recent times is a new deposit, and its output is relatively large. Among them, there are many high-quality red treasures that can be selected. "Dove Blood Red" is a top-grade ruby ​​variety. It also has a corresponding set of identification standards. As long as it meets its standard color gamut range and fluorescence intensity, the ruby ​​can be issued regardless of where the ruby ​​is produced.
"The jewels such as sea stones are water-fed."
Rumors: Water conservation means that some jade-type gemstones need to be replenished, but the method is correct, not fish farming.
Interpretation: In general, there are not many gemstones that need to be replenished. Most of them are to avoid long-term exposure and need to be washed regularly with water. In particular, jade-like gemstones, turquoise, sea stones, and opal are all needed, but the longest is no more than half an hour, definitely not long-term soaking. Many gems have a low hardness and a large gap. Even after drying, it is easier to cleave and crack, so even after rinsing, it needs to be wiped clean with a soft cloth. Long-term soaking in water is more likely to cause the deposition of minerals such as calcium in the water, leaving the surface of the gemstone tarnished and finally "necrotic".
"The irradiated gemstones have radiation that can cause cancer! ã€
Rumors: The particles used for irradiation and color change are only one of the radionuclides, and the amount is very low. When the jewelry is at hand, the radioactivity has already been exhausted.
Interpretation: There are generally several ways to change the color of the irradiation. The most common way is to use the high-speed particles of the ray to impact the internal structure of the gemstone, forcibly causing the color defect of the structure to produce color or strengthen the color. Because this ray is one of the radioactive rays, the alarmist rumors began to spread around. In fact, the amount of radiation used to change color is the same as that emitted by common items such as power stations, mobile phones, and televisions, and it has almost no impact on the human body. The radioactive material left on the irradiated gems will be dissipated for up to one and a half years, and a piece of jewellery may be designed and inlaid from the original color to the processing and polishing. This time limit is set, so don't say it is carcinogenic, and it will not have any effect at all. Only high-end collectors sometimes pursue pure, natural, non-colored gems for perfection.
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