What is tourmaline? Bismuth jewelry purchase tips
Tourmaline, known in ancient China as Biya, is also known as "Bixia" or "Bixiaxi" in the middle and lower reaches of the Yangtze River. Its mineral name is tourmaline, which is derived from the thermoelectricity of this gemstone mineral. Legend has it that a group of children in Amsterdam, the Netherlands, were playing with the returning stones of the sailors and found that they had the special function of vacuuming under the sunlight, which was called in adults, because it attracts or repels light objects (such as dust and grass clippings). The strength of the stone, so the stone is called "dust stone", which is now the tourmaline. The reason why the tourmaline gemstone style is because it is the most complex of all the gemstones, and the most abundant color, red, orange, yellow, green, blue, blue, purple and other spectral colors, colorless No, the polished gems of the tourmaline can be described as colorful, crystal clear, colorful, colorful, and refreshing, so it has been one of the favorite gems since ancient times. The Chinese lord of the Dragon King will also like this gemstone with jade luster. In the Forbidden City Museum, you can see the small beads made of pearls, chicken hearts and earrings. It is said that there are also many tourmalines to treasures in the tomb of Cixi. Origin of tourmaline The world's most famous tourmaline is produced in Brazil and the United States, among which the bright blue tourmaline found in Brazil is one of the most popular gemstones in the world; Sri Lanka, China, Myanmar and Africa also have a large number of gem-quality tourmaline production; Altai in Xinjiang also produces tourmaline gemstones of various colors, but the general color is often shallower and less expensive. The tourmaline produced in Yunnan is also a medium- and low-grade gemstone. China: China's Shandong has sapphire produced. The sapphire of this property is famous for its large size and crystal integrity. The Altay region of Xinjiang is the region with the richest production of gemstones in China. The highest quality sea sapphire and tourmaline in China are produced here. Topaz, garnet, apatite and golden beryl are produced. It is also the best business in China. Grade emerald origin, but the current production is not large. In addition, Lianyungang, Jiangsu Province is the hometown of crystal in China, with a large number of high-quality crystals. Myanmar: Myanmar is located in Southeast Asia, on the collision boundary between the Asia-Europe plate and the Indian Ocean plate. The intense geological activities from ancient times have created the status of Myanmar's global jewellery market today. The royal blue in the top quality of sapphire, the ruby The top quality - Pigeonblood, is produced in this country, so the national stone of Myanmar is also a ruby. In addition, high-quality spinel, green tourmaline and olivine are also produced in Myanmar. Since Myanmar was a Chinese genus in the Ming and Qing Dynasties, it often tributes high-quality gemstones to China's princes and nobles. At present, most of the jewelry materials collected in the Palace Museum of China are sourced from the country. Brazil: Brazil is the world's largest producer of gemstones, with color gemstone production accounting for around 65% of world production. The quality of the produced gemstones is large and high quality, such as: red tourmaline, topaz, sea sapphire, emerald, etc. The country also produces a mysterious Paraba tourmaline with electric light, the color is beautiful. The price per carat can reach tens of thousands of dollars, still far from meeting market demand. Sri Lanka: Sri Lanka is famous for its gemstones! If you are interested in looking at the outline of the country on the map, would you think it is like a pear-shaped gemstone pendant? The gemstones from Sri Lanka are: sapphire, ruby , gold emerald, rose tourmaline, moonstone, sea sapphire, garnet, etc., almost all high- and medium-grade colored gemstones are produced in Sri Lanka, and the quality is very good, so it is also known as "Gem Island" . Sri Lanka has a wealth of gem resources, which is related to its special stratum structure. In addition to the gem mines in the Jaffna peninsula in the north, Sri Lanka has a rich gemstone resource in the mountains, river valleys, plains and hills all over the country. Madagascar: Madagascar is located in the South Indian Ocean. It is rich in flora and fauna and beautiful natural scenery. It faces the southeast of the African continent across the sea. It is nine times the size of the island of Sri Lanka and the fourth largest island in the world. Almost all of the colored gemstones found on Madagascar have at least 30 varieties on the market: emeralds, rubies, sapphires, gold emeralds, sea sapphire, beryl, beryl, watermelon tourmaline... ... Although many mining areas are found late, Madagascar is becoming a new but important gemstone producing area. Bismuth jewelry purchase tips Tourmaline assessment The price of tourmaline is mainly limited by its color. In the international market, the prices of pink, bright blue and red and green bicolor tourmalines are generally higher, while yellow-green and other variegated tourmalines are more common and lower in price. The factors affecting the price are the size of the gemstone, the number of gemstones and the fineness of the processing. The price of high-quality tourmaline within 5 carats in the international market varies from US$20 per CT---300 US dollars per CT, while the price of domestic tourmaline is more than tens to 200 yuan per carat. In addition, if the tourmaline effect of catkins increases, its value will increase, but it is still mainly determined by color and size. The evaluation hub color should be bright and transparent. (1) Select the tourmaline to see the color first, with bright brilliance, medium-dark pink, fresh blue, and green. Transparency and embarrassment are secondary considerations. (2) The general color depth should be male, and the light color is suitable for women. (3) The rectangular cut diamond ring with diamonds or pendant is especially suitable for professional women. Roller Blind Curtain Shade Jacquard Fabric
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