Every time I talk about topaz, many people think of yellow jade. Some people say that it is Hetian jade. Some people say that it is Huanglongyu. In fact, the real topaz is the topaz, which has been misunderstood for so many years, and it should be justified! The mineral name of topaz is topaz, which is called Topaz in English. Since consumers are easily confused with the names of topaz and yellow jade and citrine, the English transliteration name "topa" is used in business to mark gem-quality topaz. Because the topaz is very transparent and hard, the reflective effect is very good, and the color is beautiful, which is very popular among people. Many countries in the world have set the topaz as the "birthstone of November", which is known as the "stone of friendship". It represents sincere and cherished love, meaning beauty and intelligence; symbolizes rich, lively, can eliminate fatigue, can Controlling emotions helps rebuild confidence and have a living goal. Most of the world's topaz is produced in Brazilian granitic pegmatites, including varieties of various colors, with a maximum crystal weight of 117 kg. In addition, Sri Lanka, the United States, Myanmar, the Ural Mountains, Australia and other countries also have gem-quality topaz output. China's topaz production is produced in Xinjiang, Inner Mongolia and other places. Gem-quality topaz is mainly produced in granitic pegmatite, gas-forming hydrothermal, skarn and alluvial deposits. More than 95% of the world's topaz is produced in the Minas Gerais pegmatite near Brazil's Rodriguez Silva. It is a colorless and various topaz, with a weight of 300. The kilogram of transparent topaz is the best in the world and is now in the Museum of Natural History in New York. In addition, countries such as Sri Lanka, Russia, China, the United States, the United Kingdom, and Myanmar also have topaz production. China has found topaz in more than a dozen provinces and regions including Xinjiang, Inner Mongolia, Guangdong and Yunnan. Type of topaz Commercial gem-quality topaz is divided into the following varieties by color: (1) Shirley Topaz: The most important variety in topaz is named after the color of sherry, the light yellow or dark brown wine of Spain. It includes natural and processed different shades of topaz with yellow and brown main tones, and even orange and orange with brown components. The most expensive of these is orange-yellow topaz, called "Emperor Topaz", which is also in the category of light orange yellow and golden yellow. (2) Blue topaz: includes blue varieties with deep and light tones. Commercially, the color blue topaz is divided into "sky blue", "London blue" and "Swiss blue". The topaz on the general market is subjected to color treatment by irradiation and heat treatment. The color topaz (topaz) is still recognized as a natural gemstone in jewelry appraisal because it has not added any other substances during the treatment. The natural blue topaz shades vary from place to place. (3) Pink topaz: refers to powder, light red to light purple or violet topaz. It is mainly made of yellow and brown topaz irradiated and heat treated. The darker natural pink topaz is the most popular, but the amount is very small, but also processed by colorless topaz, but with a brown tone. The stable red component is always associated with chromium and has its characteristic absorption line. (4) Colorless Topaz: Used in the past as a diamond substitute, it was once called "slave diamond." Now it is a color stone material, rarely used as a piece. Learn about several common yellow jade The culprit that misunderstood the topaz for so long is the few people → _→ yellow jade, yellow and Tianyu, Huanglongyu, all of which are jade, yellow, but not real topaz! Yellow jade, nicknamed jaundice, is a kind of jade, jade. Yellow Hetian jade, the market is abbreviated as “Topazâ€, which is a color classification of Hetian jade. Huanglongyu, also known as yellow wax stone, is a kind of quartzite jade, which has been highly sought after in recent years. Knee High Socks,White Knee High Socks,Orange Knee High Socks,Black Knee High Socks HANGZHOU TOSHENG TRADING CO.,LTD , https://www.tongshengtrading.com