Four ways to identify the quality of jade jewelry
Ordinary consumers are worried about buying fake or buying expensive when buying jade because of the lack of in-depth understanding of jade. And relying on the standards of the national quality inspection department to buy jade jewelry, you can guarantee the authenticity of the goods, is the most simple and practical method. Of course, if the merchant does not provide an appraisal certificate that complies with the Jade Jewelry Quality Rating, the following methods can also help you identify the quality of jade jewelry, namely “ one look, two touches, three trips, four listens â€:
Look: look at the features, look at the structure, see the color, check the ç‘•ç–µ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡ ç¿¡The structure of the jade has the characteristics of variegated interlacing. The fine fibrous mineral crystals are intertwined around the translucent granular phenocrysts. The structure is dense and the thickness of the crystal is to evaluate the quality of the jade. The basis of measuring the level of jadeite; jade products generally have glass, sub-glass or semi-glass luster, uneven color, and jade, jade and other jade similar to jade often have waxy luster and grease luster, most of the color is uniform, there are The appraisers or merchants of the experience can see whether the jade pieces are jadeites from the color; whether there are impurities, cracks, etc. in the jadeite body by means of light or natural light, combined with other indicators, the quality of the jadeite is estimated to be good or bad. High and low, is the purpose of "checking the number of times."
Touch: Emerald heat transfer, fast heat dissipation, attached to the face or placed on the back of the hand, it has a cold feeling in a short time; the jadeite has a large hardness, the structure is dense and delicate, and it can have a high surface finish after polishing, and it can be slipped when touched by hand. Feeling obvious.
掂: The density of jadeite is 3.34 g/cm3, which is higher than its similar nephrite, Dushan jade, jade jade, Australian jade, Malay jade (dyed quartzite), hard sodium jade and grape jade. However, it is lower than Qinghai Cui (calcium aluminum garnet) and Tesavo stone (water calcium aluminum garnet). Those who have experience can use the weight to determine whether a piece of jade or jade is jade.
Listen: Listen carefully to the impact between the finished products, you can roughly distinguish whether the jade pieces are jadeite, what kind of jadeite (whether it has been pickled and treated). Natural, especially the jade jade pieces with good texture, are pure and sweet "steel sound" when hitting. Listen, you must have a comparative listening, or have a certain experience as the basis, in order to judge the quality of jade according to the sound quality.
T/C Stretch Printed Fabric,Hazy Feeling Fabric,Texture Thin Fabric,Men'S Shirt Fabric
SHAOXING CITY CHENYAO TEXTILE CO,LTD , https://www.chenyaotextile.com