First of all, the color standard mentioned below refers to the color of the light. Garnet day The dullness is dark, and when it is dark, it is almost all dark red. When she meets the light, she is like being ignited, and her glamor is very beautiful. There are many colors of garnet, dark red, black red, orange red (rare), wine red, rose red, purple red and so on. Among them, the dark red, black and red can be said to be junk goods, and there is no value. More common are burgundy, rose, and fuchsia garnets. Under the premise of crystals, the more purple, the more expensive. The crystals of garnet generally have more internal ice cotton, and it is difficult to have a whole body. When choosing, you should choose crystal ice cotton and no impurities such as yellow spots and black spots. The low-grade garnet can not see the color, or the light sees a mess inside the crystal. Such a garnet, even if people who don't understand it at all, look at it from an aesthetic point of view, and know that it is not a good thing, huh, huh. The ore crystal particles of garnet are relatively small, so the bracelet can be called a large bead when it reaches 10mm. As for the pendant, I don't like it because of the ice cotton. When the garnet is made of beads, the ice cotton is relatively inconspicuous, and it is not visible to the light. If it is ground into a pendant, it is very obvious. From an aesthetic point of view, I don’t like it~ The purple garnet is more expensive, but the purple garnet is purple, not violet like amethyst. Some buyers are very vomiting, and they are mad. Say that since the garnet is more purple and more expensive, she will look for the so-called "pure purple" garnet. I thought to myself, if you want to be pure purple, what are you looking for? Buy amethyst! It's like buying a dog at home to let it catch a mouse, or buying a cat at home to let it look at the door. Wine red and rose red are easy to distinguish, but the boundary between rose and purple is a bit fuzzy. It depends on your understanding and experience of garnet. If you have the opportunity to see more of the real thing, this will really help your ability to appreciate. Otherwise, how many pictures and how many pictures are difficult to make real progress? The purple-red garnet necklace, the crystals and colors are all good, and now the goods are hard to find, and the price is high. In fact, the graphics are just a reference for everyone, and it is useful to look at the real thing. After all, the picture is still, the object is "dynamic", and it has different effects in different light environments. When it comes to "dynamic" problems, you can't help but talk about the effect of light on the color of garnet. Look under warm light (such as sunlight, yellow spotlights in jewelry stores), the color of garnet will be reddish. Look at the cold light (such as the white fluorescent lamp at home, white energy-saving lamps), the color of the garnet will be purple. Therefore, to accurately compare the color of two garnets, be sure to look at the same environment with the real thing. It is not accurate to rely on pictures, or the "impression" of the baby in different light environments. If I go to the goods myself, I usually bring a reference object to compare them in the past, otherwise the experts will look away. Garnet grade Garnet can be divided into five levels: color, clarity, transparency, finish, gloss and other professional dimensions. It can be divided into: AB, 2A, 3A, 4A, 5A. 5A is the highest level, the color is rose purple, the clarity is almost slight in the light transmission state, the transparency is in the light completely penetrated into the garnet, the light-transmitting part is purple, the gloss is bright, sharp and uniform. The impression is clear. Some people will say that their products are 6A or higher. Good material net has no irresponsible 10A, 15A grade. In the natural garnet field, our highest grade is only 5A. Looking at garnet alone, ice cracking is the basic feature of garnet. Other materials can be pure in 5A grade, but there are not many garnets in 5A pure body, that is, more or less Ice cracks or impurities, and the larger the diameter of the beads, the more cracks or impurities, the more pure garnet bracelets, the price of thousands of dollars or more will be some ice cracks or impurities Garnet is the most dense of all crystal materials, that is, the same size and size. Garnet is much heavier than other crystal materials. This is the simplest and straightforward way to judge whether it is true or false. The AB grade garnet is completely impenetrable, and the ice crack is too large to be seen clearly. 2A grade garnet is basically impervious, with many cracks in the ice, many internal impurities, and skin Grade 3A garnet is semi-transparent, with more cracks in the ice, some impurities inside, slightly skinned The grade 4A garnet is basically translucent, the ice crack is less than 3A, the internal basic impurities are less, and there is no skin. The 5A grade garnet is completely transparent, with little ice cracking, less internal impurities and no skin. The larger the bead diameter, the more ice cracks will be. Classified by ingredients 1. Magnesium aluminum garnet - kimberlite and mantle rock inclusions and basalt in South Africa, Tanzania, the former Soviet Union, China, the Czech Republic, China's Heilongjiang Second, iron-aluminum garnet is mainly produced in regional metamorphic schist, amphibolite, gneiss, eclogite, granulite and its sand ore. It is a product of intermediate-grade, high-grade metamorphic cypress. Mainly distributed in ancient metamorphic rock areas. Main producing areas: Sri Lanka, Brazil, Madagascar, India, United States (Alaska), China. Third, manganese aluminum garnet is mainly produced in pegmatite, the crystal is larger, the largest is more than 100ct. The main producing areas: the United States, Mexico, Madagascar, Tanzania and so on. China's Xinjiang Altai Weijingguang produces manganese aluminum garnet. 4. Calcium aluminum garnet is mainly found in the contact zone between Zhongyi acid magma and argillaceous limestone, and belongs to the product of contact metasomatism type (skarn type). Mainly found in Tanzania, Kenya, Ulsan, South Korea and other places. 5. Calcium iron garnet (brilliant garnet) is produced in serpentine rock and is a product of super-basic rock undergoing strong self-metamorphism. The garnet is a rare gemstone mineral, and its origin is very small. So far, the garnet as a gemstone has only been in the Ural of the former Soviet Union. 6. Calcium chrome garnet is generally small in size and difficult to process into gemstones. It is mainly found in the Ural Mountains of the former Soviet Union, the Pyrenees of France, the Himalayas of China, and the United States, Norway and South Africa.
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