Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".
The normal inspection conclusion on the general certificate is jade. If the jade has been optimized, there will be a corresponding description. There are also the names of jade ornaments, which will be marked as jade pendants and jade bracelets.
Ultraviolet fluorescence: long wave has no ultraviolet fluorescence, and short wave has no ultraviolet fluorescence. Emerald has almost no ultraviolet fluorescence. Emerald, green, dark green, black and red jadeites do not fluoresce under long-wave and short-wave ultraviolet lamps. Only white jadeite has weak orange fluorescence at long wavelength.
Jade certificates are generally divided into two sides. The front is the standard information and picture of jade, and a code will be randomly generated and pasted on the jade, the normal code bar will be pasted on the inner ring of the bracelet, and the pendant will be pasted on the back; On the reverse side are the signs of national certification and the information of quality inspection institutions, including the website, telephone number and address of quality inspection institutions.