(1) Look: It mainly depends on the transparency, internal structure and luster of the crystal. Real jade is transparent, oily and shiny, with natural patterns, and the internal fiber state is not easy to imitate. (2) Listen: Real jade sounds crisp, while fake jade sounds dull. (3) Measurement: mainly hardness measurement. With the glass plate (friction hardness of 5.5) as the standard, except jadeite and turquoise, stripes can generally be drawn on the glass plate, and jadeite itself is complete. Fake jade is generally soft and can't scrape the glass. There is still a lot of knowledge in seeing www.jubaodian.com in jewelry.