Pearl Is The Identification Of A Coup Medicine
Friends with suspicion, I clamp the clip the teeth of his " Pearl "
, To the point of actually lighter, and the rise of smoke, while the same test I Necklace The pearl, but just look black, not combustion, clean luster remained after. I told a friend, in fact, these beads to see that this is a fake, because the particle size is surprisingly consistent, pearl is also poor.
Precious pearl of traditional Chinese medicine, but also a precious ornament, adulterated fake serious.
Pearl spherical, oblong, oval or rod, diameter 1.5 ~ 8 mm. Surface white, pale pink, light yellow green or light blue, translucent, smooth or slight bump, with sparkling color gloss. Quality of hard, broken surface was concentric pattern of layers, some centers there are still foreign. Odorless, tasteless.
1. Inferior grains is small, the shape is not round, rough, dark color, the lack of broken section layer pattern, pearl thin, the kernel in major, quality time.
2. Common adulterant adulterants are: Leave Newport with pearl beads size, surface white, with a few small point depression, which was metal-like luster, stay dark no glory. Department of artificial processed, pearl layer of toxic lead compounds. Home fire burning, the surface gloss immediately into a gray and black.
Processed the majority of mother of pearl oval, flat round, relatively uniform particle size. About 2 ~ 4 mm in diameter, surface white, was metal-like luster, stay dark no glory. Crushing or burning burst open, you can see mini-section showing the layers arranged imbricate slice, but no concentric pattern of layers.
Shell, calcite and other processed products more Chengbian Drum, short cylindrical, irregular multi-faceted shape or nearly spherical, with one or both sides flat, sizes, surface white or yellowish white, slightly rough, slightly noticeable pearl. Burning of non-burst, was dark gray surface, embers were flat block or chunky.
Pseudo-pearl of a foreign body into larger pellets processed, inoculated pearl mussel, and after a short time, foreign body removed after nacre surface parcels to form the so-called big and bright and clean "pearl." Shape similar to natural pearls, but the surface gloss is weak, there is a circular central section or abalone crushed sand the surface with a thin layer of nacre.
3. General imitation glass, plastic raw materials, as the craft pearl products, very little into the medicinal market.
Simple method to identify Pearl 1. Pearls of various shapes, with natural iridescent pearl and metal-like luster reflection, so each one has a different pearl luster. Man-made uniform bead shape, pearl dim.
2. After Pearl astringent sense of mutual friction, the friction with the glass still astringent feeling. Leave after the smooth beads feel friction with each other, leave the glass beads and a sense of friction is also smooth.
3. Pearl touched skin feel cool, breath through your mouth to the pearl, the surface will appear on the air mist. Leave skin smooth beads touch sense of warmth.
4. Pearl burning low heat, looks will turn black (soot), wipe the luster is still, by fire, the, there burst sound more natural pearls cultured pearls burst intensity, lobes thin arc of countless small pieces of silver Gray, accompanied by colorful luster, its outer translucent. Man-made uniform bead shape, with the fire will burn, a plastic smell, ashes were flat like or chunky, with black matt.
5. Banana water pearl set a few minutes, shaking, glory not diminished. Counterfeit goods in the water a little shake of banana, a few minutes all the surface gloss off, the remaining beads lanes are milky white, cream or clean white, translucent, dull, and some were close to parallel to the grain, some visible pits point or round holes.
6. Weight similar to pearls, from 60 cm height of the free fall on the glass, sea pearl jump height up to 15 to 25 cm, freshwater pearls up to 5 ~ 10 cm. Counterfeit goods because of the increase coating layer, the free fall on the glass, the lower jump height.
Pearl Is The Identification Of A Coup Medicine
By: frbiz2@foxmail.com
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