When a jade species becomes mature and its color is vibrant, it may exhibit a phenomenon known as "Ying Cui." This refers to a concentrated green area, often referred to as the "radix," where the color appears in a large, distinct piece. The legendary "gold silk" is considered the pinnacle of this visual effect.
At the base, there is a root-like structure, while the rest of the stone remains colorless. This unique characteristic is what sets Ying Cui apart from other jade types. The saying "old color does not enter" suggests that older stones tend to retain their color more intensely. In recent years, white glass jade has gained popularity because it can achieve extreme clarity, with beautiful jade water that appeals to collectors. However, high-quality color is rare, and achieving a balanced hue in jade is even more challenging.
Among the popular varieties today, "Mu Na" is relatively well-balanced, but it sacrifices deep color for better transparency and clarity. It’s a trade-off between hue and water content.
It's important to note that the Ying Cui phenomenon is different from what is commonly referred to as "color root." A color root typically spreads gradually across the stone, with colors transitioning from light to dark. In contrast, the Ying Cui phenomenon features a distinct green area at the base, while the rest of the jade remains completely colorless. The jade must be very old, transparent, and have a strong green root. The combination of transparency and colorlessness allows the green to stand out vividly, like light shining through a white cloth—red light appears red, and green light appears green.
To put it simply:
A color root is like a clear tea with a colored stone inside, whereas Ying Cui is like a pure, clear base with a concentrated green spot.
This is why jade exhibiting the Ying Cui phenomenon appears more radiant. Under normal lighting, enamel-grade jade and emerald jade may look similar, with the former appearing smoother and more uniform. But in dim lighting, the difference becomes clear—the Ying Cui jade emits a much stronger and more vibrant glow.
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