Agate stone is a variant of quartz, a type of cryptocrystalline quartz deposited from silica. Often used for inlaid jewelry and engraving crafts, but there is not much collection value of agate stone jewelry. It is not cost-effective to do formal identification. Now it is mainly by manual, magnifying glass to see if there are bubbles, but now there is vacuum process. Bubbles are not easy to find, that is, whether the flow of agate stone is natural. Jintou Collection Network said that the method of distinguishing the authenticity of agate jewelry.
1. Transparency: True agate transparency is not as good as synthetic, slightly chaotic, and some can see natural water lines or “cloudsâ€, while synthetic agate has good transparency and is as transparent as glass balls.
2. Weight: True agate jewelry is heavier than synthetic agate jewelry.
3, temperature: true agate in winter and cool in summer, and artificial agate changes with the outside temperature, it also becomes hot in the heat of the day, it cools in the cold.
The most obvious sign that natural agate stone is different from fake agate stone is that its cross section has a concentric layered structure. With this mark, the whole piece of agate stone is easier to identify, and the finished product after cutting is not neat and obvious. Patterns are easy to admit mistakes. But in general, the natural agate stone feels cool, the surface is coated with a layer of wax, and has a waxy luster, translucent, hardness of 7 in Mohs, with a small knife, because it is formed in a molten state. The crystals are mostly spherical, so they are especially dense; the surface is more delicate after grinding, and the ruby ​​is rubbed on the hard board for more than ten times. The agate stone is not hot, but the board is hot; the color is often mixed in one piece to form Beautiful patterns, layers, brocades and other colorful patterns.
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