Identification of diamonds

Because diamonds have a very high value, people began to carry out the diamond trade, the imitation appeared. Therefore, the accurate identification of diamond, identify fake diamonds, is very important. Because diamond has a special nature, it is not difficult to accurately identify it. The earliest diamond imitation, is a plus lead oxide ordinary glass, lead oxide makes the glass soft, but increased the refractive index and enhance the dispersion, at first glance is easy to mistaken for diamonds. In the late 19th century, there was a diamond imitation made of chemically synthesized sapphire and colorless spinel, which was close to diamonds, but had low refractive Replica Cartier jewelry index and dispersion, and had a double refraction rate that was visible under high magnifying glass To ghosting, whereby we can distinguish it from diamonds. Today’s most successful diamond imitation, is the artificial cubic zirconia, its hardness, good refraction, but also like most of the same diamond some yellow. According to the diamond has a great hardness of this feature, you can accurately identify the diamond. Identification of diamonds usually requires the preparation of a piece of artificial sapphire fragments, or larger particles of artificial silicon carbide (emery) crystals. They must have a smooth plane. Artificial sapphire hardness of Mo’s 9, silicon carbide hardness of 9.5, are the hardness of the material after the diamond.

For the suspected diamond material, it can be used to carefully characterize the smooth surface of artificial sapphire or silicon carbide, if you draw on their smooth slippery, did not draw any scars, it must not be diamond. If the material to be tested can easily be scratched on the smooth surface of synthetic sapphire or silicon carbide (observe the scar can be used magnifying glass), it must be true diamond. At this point, in turn, with artificial sapphire or silicon carbide sharp corners to characterize the diamond, found only slip, absolutely no scratches, which once again proved that the diamond is the real thing. For diamonds that have been ingested into diamonds and even embedded in jewelry, you can also carefully use it to characterize the smooth plane of artificial sapphire or silicon carbide to determine whether it is genuine. If it can not be in the artificial sapphire or silicon carbide to draw scars, that is false diamonds.

In addition, in addition to test hardness, but also for the following observation test: whether true or false diamonds, its surface appears to be unusually bright, and flashing color of the brilliant. Can be really diamonds on the fat affinity is very strong, shiny smooth surface, such as by hand touch, immediately stained with a layer of grease, so that the degree of light weakened.

In addition, you can use the tongue to identify the authenticity of diamonds, that is, with tweezers clamped with tongue licking, because diamonds can quickly transfer heat, so licking up feeling cool, and compared to imitation products can feel hot. There is also a phase method is to be hailed by the other objects, in the diamond on the condensation of water mist faster than in the imitation of evaporation. Because diamonds have a very high thermal inertia, heat can be quickly added up.

It is also an effective way to identify the authenticated diamonds by observing the waist of the identified object with a magnifying glass. In the fine grinding of the diamond waist, showing a very fine matte and shiny reflected light, this feature of diamonds is never confused with its imitation. In the diamond can also be formed by a lot of hair cracks in the waist, which is unique diamond features. Diamonds often have some “natural features”, such as in the crystal face of the groove, triangular growth and so on. These are diamond imitation on the see.

Really diamonds are often lighter than fake diamonds, feel lighter, are really diamonds. Really diamond, in the dark place to send shabby green, like a spark on the wire. If it is false diamond, can only send a small amount of white, or even light. Even if the light, it is also very dull, there is no phenomenon of alternating. We can also put two diamonds together on a black paper, you can see the natural diamonds remain glorious, while the artificial diamonds are not glorious, and glass is very similar.

Refractive index and dispersion is an important basis for the identification of natural diamonds and synthetic diamonds, but generally easy to use the naked eye identification, can only be measured with the instrument. Everyone in the identification, the best use of several Cartier nail bracelet replica methods, so that more reliable. In any case, in the choice of diamond jewelry, be sure to carry out in a reputable store, the higher price of diamond jewelry, to carefully check the diamond identification book, after comparison to consider the purchase. The distinction between genuine and fake diamonds, the distinction between good and bad diamonds, most of the consumer self is still very difficult to carry out, so more to find a reliable expert for the staff, must not listen to others to encourage the purchase of no certificate or reputation Of diamond jewelry. In general, the current state-owned jewelry store in the supply of diamond jewelry, have been expert identification, the sale of fakes or substitutes of the situation is minimal. As for the price, the store due to the purchase channel and the quality of different, there is a difference, which requires their own choice and decide.

  1. Gemstone treasures – colored ruby

Ruby is precious and precious in precious stones. People may find a huge pure diamond, but never heard of anyone who discovered a huge pure ruby. Things are rare, not to mention it itself has a bright color. As early as << early in the book >> it was so cherished: “only the value of wisdom is higher than the ruby.” European monarchs competing in the crown inlaid rubies for the glory. For the monarchs of Asia, rubies have historically been a symbol of wealth and power.

Ruby is corundum, hardness of 8.8 to 9. Ruby contains chromium oxide, such as the content of about 1%, the color is early to clarify the most beautiful. Most of the rubies contain gold red, so the ruby ​​surface was fingerprint pattern, it is more beautiful. Ruby is a natural mineral, sometimes somewhat flawed, color or color uneven, but this does not affect the beautiful appearance of rubies, as long as the flaws are not very obvious, it will not affect the value of the ruby ​​itself.

Ruby is a common pink, rose red, purple, blood red, dark red and so on. Ruby the higher the amount of chromium, the deeper the color. The most expensive varieties are two: a “pigeon blood red” ruby, it bright red as blood, in the incandescent light, glamorous brilliant, such as , and like sunset. Large particles are rare treasures, and even priceless. Usually, high-quality ruby ​​1.2 carat is treasures, each carat worth more than 30,000 US dollars, more expensive than ordinary diamonds. According to records, the world’s largest pigeon blood red ruby ​​weighs only 55 carats. Another treasure is “pomegranate seed” ruby, it is crystal transparent, and pan-red, like light red pomegranate seed, the particles are not large. Red ruby ​​is also high quality, but the color is dark or too light, the quality is poor. Ruby, if starlight, then the price is more increased.

Ruby is a treasure of oriental civilization, famous origin in Myanmar, Thailand, Sri Lanka. Its Sanskrit name is “the crown of gems” means. The British crown weighs 167 carats of ruby, the Iranian crown 84 ruby ​​buttons, are Myanmar products, produced in the Jiesha County wipe the valley, the resources are few. Thai rubies are dark red

In the Cartier family under the management of several generations

August 25, 2016, NY. The world’s top jewelry, watch and accessories brand Cartier grand launch of its latest watch masterpiece – ballon bleu de Cartier blue balloon watch series. Chinese famous cultural relics collectors and connoisseurs Mr. Ma Weidu, the new architect Li Yansong, Yi Nengjing, Mei Ting, Lin Bao Yi, Huang Lei, Miao Qiao Wei Hong Kong and Taiwan and mainland stars and the famous musician Li Quan and so on, witnessed ballon bleu de Cartier Blue balloon watch series landing in China an important moment.

“Blue balloon” the name from the famous “Monte Cartier love bracelet replica hot air balloon.” Cartier watch the name of the selection, it is by the Montegoi Brothers with the world’s first hot air balloon to create a human victory over the gravity and explore the history of the sky inspired, symbolizing the eternal innovation, on behalf of the daily The pattern of thinking on the pattern, but also contains a deep French culture, which is Cartier’s latest watch series ballon bleu de Cartier blue balloon essence.

Roman numerals, checkered dial, sword-shaped pointer, 18K gold watch … at first glance, ballon bleu de Cartier blue balloon watch is very classical, but a closer look, but great knowledge, breaking the traditional large convex sapphire , The edge of the precious metal bow, wonderful optical effect, the arched sapphire crystal mirror in the figures were amplified, the crown of the unique shape of the circular surface of the Roman numerals also deviated from the conventional track, so that “round” No longer “round”, and as if breaking the shackles of gravity, freedom and Smart … … between the classical and futuristic between the design style, achievements belong to the future of the classic.

Paris Peace Road 13 jewelry empire

In 1899, Cartier moved to the now Paris high commodity center rue de la Paix 13, and become the royal family of European royal jewelers and known as the “jeweler’s emperor, the emperor’s jeweler.” Well-known directors also love the use of Cartier in their works, including Cukor, Lubitsch, Hitchcock, Kedo and Wilder. In the movie “Beauty and the Beast”, the actor Josette Day drops of drops of diamond tears, that is provided by Cartier; actress Gloria Swanson wearing a diamond, platinum and crystal stone bracelet, Cartier produced in 1930 Classic …

Of Cartier, which has a history of 160 years, nobles have a lot of brands, the “classic” seems to be the most appropriate adjective. However, all the classic Cartier, in the tens or even hundreds of years ago the birth of the original, are the society’s “avant-garde (avant-garde)”: whether it is watch the family of Santos, Tank, Pasha, Roadster, or jewelry Series of cheetah tricyclic, dragon kiss or accessories series of “Must”, “Cage” … … Cartier popular works, always with a very pioneering spirit of the design of the first, again and again to guide The trend of the times; also from this, with the precipitation of time, they become irreplaceable “classic”.

If there is no Cartier, maybe we also use pocket watch

As early as pocket watch and watch a lot of popularity before, Cartier showed a high degree of interest in the production of watches and clocks. In 1904, Louis Cartier to solve the pilot friend Alberto Santo-Dumont (Alberto Santos-Dumont) can not look at the time to fly the problem, to create the originator of modern watches – Santos watch, for the watch The broad application of the foundation. Like all the new things, watch the process of overcoming the watch is equally arduous, and Cartier Paris boutique as early as 1906 to 1918 years, has sold 2789 watches, and its pocket watch sales (3119) almost flush. Today, the outcome of watches and pocket watch is no doubt that this fully confirms the vision of Cartier: watch, not the beginning of the majority of people just off the clouds, and will become the future of the world standard supplies.

In the Cartier family under the management of several generations, Cartier love ring replica to expand, continue to exudes infinite charm. Whether it is modeling watches, simple or complex mechanical watches, they have conveyed the Cartier brand of watches and clocks of the love and persistence, in the field of innovation and rich watch connotation, Cartier always proud of the results. Its style not only by the world’s respected, but also represents the brand classic long-lasting aesthetic style. Since its inception has been over 100 years old Santos watch, is still to Cartia new watch series to give design inspiration.

Today, Cartier’s art field continues to expand, its products in addition to ornaments watches and clocks, but also including leather goods, perfume, writing tools, scarves, glasses, lighters, its innovative spirit and classic position survive.

the rocket in the defensive end also buy mt up with amazing performance

In addition to the offensive end unstoppable, the rocket in the defensive end also buy mt up with amazing performance, in addition to a good limit to the Spurs players shot, Leonard’s double team is also very successful. Spurs buy mt 36.9 percent from the field, and Leonard averaged 21 points in 14 of 14 shots. “It was clear that we were happy with the performance of the defensive end, and we knew it was a bit unusual, because they would not have lost so buy mt of the ball like that,” said D’Antoni coach.

The third quarter of the game last episode took place, inside, Harden and nba 2k mt points Spurs Deemeng fierce conflict, and ultimately eat two malicious foul inside the penalty was played. Harton said after the game about the conflict: “that is to say some crazy words, I just support my teammates, that is the buy mt. In the history of the two teams clash, the Rockets playoffs on the Spurs is 11 wins and 6 losses, before the three series all promotion, but that is the time before the arrival of Popovich. The first round of warriors swept the mt nba 2k17, Durant played only 56 minutes to get 42 points. The team does not need him to buy mt, Evan – Turner, Aminu and Hercules these opponents of the Warriors no threat. But the Western Conference semifinals, Durant will usher in enough weight opponents Gordon – Hayward.