Among the counterfeit gemstones, there are green artificial glass, artificial garnet garnet, synthetic spinel and the like similar to emerald. 1, the difference with artificial glass Green artificial glass is most similar to emerald, and it can achieve chaos in terms of color and appearance. Air bubbles in the man-made glass or some other residual material can create an appearance similar to a crack or fingerprint-like inclusion, but the artificial glass lacks the emerald green emerald feel. People who are more familiar with emeralds will have doubts about the glass at the first observation of the sample, but some yellow-green or blue-green emeralds have a lighter green luster and are not easy to understand. Special care should be taken when distinguishing from artificial glass. First, the man-made glass is a homogeneous body, the emerald is a heterogeneous body, and can be directly distinguished by a polarizer, a dichroic mirror or a refractometer. However, when looking at the polarizer, it should be noted that artificial glass often has abnormal extinction, and does not always show full darkness, but has a shadow moving left and right. Man-made glass has a wide range of refractive indices. 2, the difference between artificial garnet and garnet Artificial garnet garnet is also very similar to emerald, because artificial garnet is also a homogeneous body, and the difference is similar to the artificial glass step. Only the artificial yttrium aluminum garnet has a large refractive index, generally greater than 1.81, which is generally not measured by the refractometer, and the emerald can be directly measured at 1.575-1.583. The interior of the artificial garnet is generally clean and occasionally air bubbles. The absorption spectrum is different from that of emerald, and the artificial enamel garnet has no soft feeling of emerald green velvet on the naked eye. 3, the difference between the combination of gems Emerald flat stones come in many forms and can be split in two or three layers. The most common are emeralds and beryl, emerald or beryl plus green man-made glass, red garnet and green man-made glass, colorless crystals plus a layer of green material plus colorless crystals. The top is usually emerald or beryl, and is lined with various green materials such as man-made glass, synthetic emerald, light-colored beryl, etc., which can be glued with colorless or green glue. If you want to find a piece of stone, you must observe it carefully and comprehensively. You can often find doubtful points in the direction of the table. For example, there are cracks near the parallel table at the waist position, and there are unevenly distributed bubble-like inclusions or flow marks on the crack; The cracks are distributed throughout the waist plane and viewed from the side of the pavilion to find the seam. The most effective way to check the split stone is to immerse the sample in a liquid for magnification. The commonly used liquids are water, diiodomethane and other solutions. In the liquid, the color and joint seam of the different layers in the split stone can be clearly revealed, and the conventional gemological examination such as refractive index, density and absorption spectrum can accurately identify the emerald stone. Don't worry about how to match SHAOXING LIDONG TRADING CO.,LTD , https://www.suejiangarments.com
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