Jade cicada is a common type of the jade object, and the shade of the jade c...
玉蝉是一种常见的古代玉器，从先秦到汉代玉蝉的形制由简入繁且趋向写实。
We use grade a, B, and C to identify different types of jade.
我们用A, B, C来划分它的等级，以此来判别不同种类的玉。
In 1, C jade the surface color is richer, more to the more appear pale, or in the office, crack lock jade rough tissue, color is deepened apparently or accumulation.
翡翠C货其表面颜色较浓厚，越往内越显得浅淡，或在玉件的裂绺处、组织粗糙处，颜色明显加深或堆积。
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