When a jade species matures and its color becomes vibrant, it can exhibit a phenomenon known as "Ying Cui." This occurs when a single, large green area appears on the jade, often referred to as the "radix" or root. The most exceptional form of this is called "gold silk," representing the pinnacle of this visual effect.
At the core of this phenomenon lies the root, which is located at the bottom of the jade, while the rest of the stone remains colorless. This contrast between the colored root and the clear, transparent body creates a striking visual impact.
The term "old color does not enter" refers to the idea that once a jade reaches a certain age, its color tends to remain localized rather than spreading throughout the entire piece. However, in recent years, there has been a surge in demand for white glass rose jade. Why? Because colorless jade has the potential to develop into an extreme state where the clarity and water content are so high that it becomes visually stunning. This type of jade, known as jewelry-grade, is highly sought after in the market.
Generally, achieving good color alone isn't enough—color balance is even more challenging. Recently, the popular Mu Na variety has gained attention because it offers a relatively balanced appearance. However, it sacrifices deep hue for superior transparency and clarity, trading one quality for another.
It's also important to note that "Ying Cui" is different from what is commonly referred to as "color root." A color root typically spreads gradually across the jade, with colors transitioning from light to dark. In contrast, the Ying Cui phenomenon features a distinct green root that stands out clearly against the rest of the stone, which remains completely colorless. This happens in very old, highly transparent jades where the green color is intense and concentrated, allowing the clear and colorless parts to reflect the green vividly. It’s like shining light on a white cloth—red light shows red, green light shows green.
To put it simply:
A color root is like a clear tea with a colored stone floating inside.
This helps explain why jade exhibiting the Ying Cui phenomenon appears more radiant. Under normal lighting, enamel-grade jade and emerald jade may look similar, but the former often seems more uniform and aesthetically pleasing. However, under low light, the difference becomes clear—the Ying Cui jade shines brighter and emits a more intense glow.
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