Method of identifying twilight jade

The method of identifying twilight jade:


1. Infrared spectroscopy is used to check the small cracks of the jadeite. The natural jadeite will be found in the presence of adsorbed water at 1500~1700cm-1 and 3500~3700cm-1, while the enamel jade will not be found to be adsorbed by the evaporation of water. Existed.

2, the natural red jade's moisturizing degree, transparency is more than the color of jade, the color of the jade color is relatively dry.

3, the natural red enamel internal stone pattern regularly extends in one direction because the process of natural heating evolution is long and gentle. The twilight jade is suddenly stimulated by heat during a short period of time, causing the stone to be cluttered or radial.

4, 焗色翡翠 because of high temperature treatment on the internal structure of the jade, the sound is boring.

Automatic Cutting Machine

Automatic Cutting Machine,Cloth cutting machine,Home Textile Cutting Machine

Suzhou Ruihan Automation Technology Co. LTD , https://www.ruihansz.com