Jade Grade Classification And Differentiation

Jadeite is generally divided into A, B and C.

Class A refers to pure natural jade. Class A color is very natural, the color root is very clear

Class B jade is a jadeite that has been pickled and glued. It looks like a high-grade jade, but with a magnifying glass, there are acid etching and dissolution pits on the surface of B.

Grade C refers to artificially colored jade. Grade C is produced by artificial chemical dyeing, and the color is not correct, and some will see subtle silk.

Grades B and C are also jade, but their value is not as large as A.

1. From the perspective of gloss, natural jade has a glassy luster, while the artificially treated jade is entirely or partially candle-shiny.

2. The artificially treated jadeite is observed under the transmitted light by pickling, and its crystal structure is loose. The mineral particles change from columnar to irregular shape or rounded shape, and some even become powder.

3. The artificially treated jade can see a strip of netting under reflected light.

4. Emerald filled with epoxy will fluoresce under ultraviolet light, while natural jade does not fluoresce under ultraviolet light.

These methods of identifying natural jade and artificially treated jadeite do not necessarily apply to all jadeite, and should be used flexibly during the identification process. Asking sellers to make regular invoices and identification certificates when purchasing jade is also one of the ways for buyers to avoid being fooled.