Seven steps to identify the true and false of the original jade stone

Seven steps to identify the true and false of the original jade stone:

First, through the naked eye, magnifying glass, microscope, observe the texture, color and other characteristics of the jade stone gambling stone, identify its authenticity.

Second, 掂, hand test, 掂 its weight, the true jade stone weight, density 3g / c or more, false original stone light, density below 3g / c.

Third, according to the glare or the sun, with opaque metal cards or lights to shine, the true emerald stone is bright and natural, the green is clear, the luster is strong, the light is bright, and the surrounding part is in a gradual relationship, the fake jade stone gambling stone The opposite is true.

Fourth, you can use the knife or hardness pen to sculpt the stone shell and measure its hardness. The surface of the true jade stone is dense and solid, the hardness is large, and there is no sand falling off. The surface of the fake jade stone is evacuated, soft and engraved. Falling sand phenomenon.

Fifth, knocking is also a method, using hard objects to listen to the sound, the real jade stone, the sound is crisp, the same sound as the surrounding up and down, fake jade original stone, the sound is dull, different from the surrounding sound.

Sixth, it can be distinguished by hand touch. The true jade stone feels smooth and the grain has no peeling phenomenon. The fake stone feels hard and the grain has sand falling.

Seven, burning, such as burning in electric stoves, alcohol lamps or hot water with boiling water, true jade original stone, no smell, no smoke, no discoloration, fake rough, smell, smoke, discoloration.

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