1, the old pit glass is bright and eye-catching, the color is positive but not evil, the color is pleasing to the eye, and the color is even, which is appreciated by the eyes after seeing it. Jadeite crystals are micro-granular, uniform in particle size and invisible to the naked eye. Jade is pure and free of impurities, with fine texture and no cracked cotton grain. The sound of knocking on the jade body is metallic, fragile, transparent and glassy, and looks like glass outside the jade body.
2. Ice seed refers to ice seed jade, which is a kind of jade with meat quality second only to glass seed jade. Its meat quality, transparency and appearance are close to the ice cubes in the refrigerator, and it belongs to translucent jade. The translucent flesh of ice jadeite has a kind of ice texture, which gives people a feeling of pure ice and jade. It is three minutes warm and seven minutes cold, and looks like ice water. Refreshing and comfortable, icy and biting, it also reveals a little subtle beauty.
3. The background color of Huaqing jadeite is green and colorless. Green is light green and dark green, and the green form is silk, pulse, block and irregular. Although it is green, its distribution is extremely irregular, which is also the biggest feature of Huaqing jade. Cyanine is opaque ~ slightly transparent, with coarse grains, and the shapes of columnar and granular mineral particles can be easily recognized by naked eyes.
The sound of hitting Cui's body is no longer crisp and melodious, but obviously dull. Irregular colors can be dark or light, and the distribution is dense and sparse, so this kind of jadeite is called the flower green species. The color distribution of jadeite is mostly irregular, so it is not surprising that there are so many kinds of colorful jade.
Vocational qualification certificates are divided into several grades.
National vocational qualifications are divided