Three points distinguish between jasper and sapphire
The appearance of sapphire and jasper is very similar, and the colors are basically green. Because these two kinds of jade are usually symbiotic together, it is difficult for ordinary people to distinguish. In fact, there are still obvious differences between the two kinds of jade, the most important performance. as follows:
1. Ingredients: The content of tremolite in sapphire is relatively high. However, it contains less cationite, and also contains a certain amount of chrome spinel, graphite dots, chlorite and pyroxene.
2. Color: The color of sapphire is uniform, and the color difference is more, which is characterized by uneven color of jade. In addition to the yellow-green color of iron, it also contains chrome green. Sapphire is obviously greenish, mostly green, dark green, dark green, green and black. It is a contact zone produced by acid intrusive rock mass, which is pure and delicate. Another contact zone produced in ultrabasic rock masses often contains point-like black mineral crystals, and a somewhat black mineral crystal is its unique feature. Even if Jasper is close to black, its flakes are still dark green under strong light. At present, it is rare to see impersonation with glass or plastic. Commonly used jasper materials are black-green serpentine jade or dark sapphire.
Spinach green is the best jade eye, the green jasper bracelet conveys the breath of spring, the green with some green black, green under the sun, a magical luster.
3. Oiliness and fineness: The composition of sapphire is relatively simple, and the granules of jade are relatively uniform and relatively delicate. The size of jasper grain is quite different, usually the color is thicker.
In summary, the friends who really like and intend to buy, must first clearly distinguish the characteristics of the two jade and the characteristics they present when purchasing, and make a reasonable screening of Jasper.
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