Pure A jadeite can be identified from the following aspects: ① luster, ② uneven color, colored roots, ③ variegated crystal interwoven structure, ④ stone flower, ⑤ black mottled inclusions and molten iron marks.

(1) The glossy jadeite finished product has oily glass luster. When the finished product rotates, the reflective point on the surface moves quickly and is crystal clear and flexible; ② Most of the green flocs, stripes or spots in natural jadeite with uneven color and color roots are long columns, nails or spots, and the green boundaries are clear and firm; (3) The natural jadeite with variegated crystal structure is fine and dense in texture. Except for a few fine glass jadeite, many transparent dots and fibers criss-crossing around the origin can be seen by naked eyes; (4) Stone flowers can be seen in jadeites of different qualities, and there are many fibrous crystals interwoven together, and there are small spots like white clouds-stone flowers; ⑤ The darker the color of natural jadeite, the more black mineral melt remains. In addition, under the strong sunlight or flashlight transmission, brown iron traces like tea leaves poured on paper can be seen in some natural jadeites; ⑥ Other natural jadeites are hard, cold and astringent to the touch, and crisp to the touch.