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Dongling jade is a type of quartz ore, similar to Huanglong jade, with a chemical composition of silicon oxide. It has no fixed shape and usually comes in colors such as green, yellow, pink, red, white, blue, etc. Green is the most common, while emerald green to emerald green is of the highest quality. Quartz ore was originally colorless and pure white. During its long formation process, it contained other substances and trace elements, presenting a series of attractive colors and special optical phenomena, and became the beloved Dongling jade.