How does Nanyang Yu judge true and false?

Color, the color of true Nanyang jade is mainly green, some are blue or gray, and the color of fake Nanyang jade is very pure; refractive index, the refractive index of true Nanyang jade ranges from 1.56 to 1.70, and the refractive index of false Nanyang jade is not in this range; water droplets, drop a drop of water on the surface of Nanyang jade, the true Nanyang jade droplets are not easy to disperse, and the fake Nanyang jade droplets are easy to disperse.

1. Color

Judging whether Nanyang jade is true or false, one can look at the color. The color of true Nanyang jade is mainly green, and some are blue or gray, which will show black spots under sunlight. The color of fake Nanyang jade is very pure green, and there is no variegated color. Under sunlight, it will show mottled color spots.

2, refractive index

To judge the true and false Nanyang jade, one could look at the refractive index, and use a special instrument to detect the refractive index to identify Nanyang jade. The refractive index of true Nanyang jade ranged from 1.56 to 1.70, and the refractive index detected by fake Nanyang jade was not in this range at all.

3. Drops of water

To judge whether the Nanyang Jade is true or false, one can look at the water droplets and drop a drop of water on the surface of the Nanyang Jade. The true Nanyang Jade has good solidification, which can make the water droplets on it not easy to disperse, while the water droplets on the fake Nanyang Jade will easily disperse.