When you admire the jade artwork, it is the green of the emerald that gives a feeling of peace, tranquility and good fortune. Therefore, this kind of bright green unique to jade is one of the important reasons that the world is sought after. Observing the color of jade is an important factor in identifying the merits of jade. The color of the jade is bright and the transparency is good. Common colors are green, brown, red, violet, yellow, and blue, among which green is preferred. In general, the superior jade has a pure and rich green color. It also requires color saturation and moderate brightness. If the color can reach green, then it is better. Most of the pure natural emerald green is concentrated in the filamentous, flaky aggregates, often surrounded by light, colorless or other color tone, when the green color of the jade and its surrounding tone color achieve a coordination and mutual contrast The color can be considered superior when it is related. Glass Reagent Bottle high quality glass Suzhou Ruihan Automation Technology Co. LTD , https://www.ruihansz.com