For the color of sapphire, the ancients had the so-called shrimp green, snot green, willow blue and bamboo leaves.
Green, etc. The ancients Shang Qing, the so-called shine on you is better than blue. It is said that ancient celadon was fired inspired by the color similar to sapphire.
Extended data
Sapphire contains a wide range of varieties, from blue-white and blue to dark green, with a large color span. Because of this color span, it can be subdivided into sapphire and sapphire, and the blue-green color is also called sapphire.
Precautions for sapphire:
1. Although the hardness of sapphire is high, it is easy to crack after strong collision. Sometimes, although the cracks are invisible to the naked eye, the molecular structure of jade has been destroyed, which is easy to produce hidden cracks and damages its perfection and economic value.
2. If the jade is dusty, clean it with a soft brush; If jade is worn for a long time, dirt or oil stains will be attached to the surface of jade. It should be washed with warm detergent water and then rinsed with clear water.
3. Over time, jade will show a special oily luster, just like a layer of oil oozing on the surface, which is called "bleeding".
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