"Natural " , " optimize " , " processing " to jewelry expert, probably common, each word is representing a social estate, but the friend that encircles to jade of firm sortie gem, undoubted many a few easy and promiscuous professional term.
Press regulation of standard of national jewelry jade: Gem jade besides cut grind and beyond polishing, use at improving all methods of its exterior, wear or usability, a general designation is handled to optimize. Specific and character:
1, optimize: Point to a tradition, be accepted extensively by people, the beauty that makes gem jade potential shows what dew comes out to optimize a processing technique, simple for, be similar to make up, become good-looking, but did not change constitutionally. About optimize a method to include: Heat treatment, blanch, processing of colorless oil, coloring waits dip candle, dip a moment.
Because did not change gem jade original character, because this state level sets: Has optimized gem jade can use the name of gem jade directly, do not need to be on calibration certificate, undertake tagging on commodity label or explain.
2, processing: Point to unconventional, still be not accepted by people optimize a processing technique, be equivalent to face-lifting, namely from go up at all changed halcyon. The processing technique if: Processing of dip coloured oil, fill, coloring processing, laminating processing is waited a moment.
Because above handles way,have essential effect to the colour and lustre of gem jade, quality of a material. Accordingly, national level sets: Treated gem jade should add bracket to make clear after the name of gem jade " processing " 2 words or make clear a processing technique.
To optimizing the gem jade that pass, if buy an end,be to adorn only beautiful, win fix eyes upon, so the baby after optimizing can be satisfied completely, and for the natural gem of relatively coequal character, more have price advantage.
Anyhow, if be treated gem jade, suggest to be not bought. Accordingly, certificate must be asked for when the choose and buy, young canvass looks!
I am Yuan of Yuan of division of appraisal of gem of GIC of Chinese geological university, industry of 10 years of jewelry from already check, if have the problem of gem respect, the welcome seeks advice. The friend that needs appraisal is OK illicit letter I, dispel doubts for you here regularly, make everybody OK be at ease wear jewelry.
