wholesale rhinestone sports jewelry
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wholesale rhinestone sports jewelry
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fitness jewelry wholesale The emerald rough refers to the emerald that does not make the skin, and the emerald raw materials have not been manually treated after mining in the mine. The transactions of emerald rough are also called gambling stones. Among them, the quality of emerald rough produced by Myanmar is the best, and it has always been loved and sought after by many people.
The color of Burmese emerald rough is different from the customs of the region. Its segmentation method is slightly different. In Myanmar in the jade kingdom, the jadeite is divided into 12 categories of 12 categories. The domestic jewelry industry segment it to more than 30 levels according to its emerald color.
D method
1. See: Use a magnifying glass to observe the external characteristics, texture, color, structure, cracks and post -filled films of emerald rough. The performance of the natural arrangement, the rough of the fake jadeite is soft, and there is no compactness and hardness of the natural rough.
2, 用: Test the emerald rough with hand, weigh its weight, the original stone is heavy, dense 3g/cm² above, the primary stone is light, and the density is below 3g/cm².
3, photo: Observe the trend of emerald rough in natural light or light, changes in gloss, and reflective strength. If it is true rough and natural, the green direction is clear, the luster is strong, the reflective is bright, and there is a gradual relationship with the surrounding parts. , Chaos.
4, scraping: There is also a very common method of emerald rough. Traces, but if it is a fake emerald rough, then the surface of the emerald will appear.