I bought a piece of malachite for more than 100 yuan in Tibet, but I don't know if it's true or false [Picture] [Picture] [Picture] [Picture] [Picture] [Picture]Just look at the pictures sent by the subject, and you can't tell the truth or falsehood. However, the malachite in the subject's picture is darker in color and not bright, and the grade is still low, which may also be due to the shooting light. Generally, the price of high-quality and colorful malachite is high!
As for the authenticity, the subject can synthesize the weight, texture, etc., and distinguish it by himself.
How can you tell a real from a fake malachite?
Several that appear on the market are mainly artificial imitation malachite andSynthetic malachite。 The false malachite has distinct textures and no gradient in the color band; The ribbon has the feeling of mixing and mixing the pigments; Lightweight and plastic. You can buy a malachite imitation bracelet for ten or twenty yuan.
The natural malachite has delicate textures and gradient color bands; Heavy weight, stone texture.
Counterfeit:
It is important to note the difference between malachite and similar jade.malachiteWith a special malachite green color and typical bands for its identification characteristics, it is not easy to be confused with other gemstones, but it is not easy to be confused with beryl,chrysocollaBut they are very similar, and the most important thing to distinguish them is to look at the color.
The "green" of malachite resembles the spotted green on the peacock's feathers, and is mostly yellow-green and dark green. There are professional tools that can also be compared from its hardness, density and refractive index, the hardness of malachite is 3.5-4.5, and the density is 3.54-4.1mg/cm.
There are many people on the market who have turquoise bracelets to pass off as malachite bracelets, in factMalachite braceletIn comparison, the color of turquoise bracelets is mostly blue-green, and there is no obvious color band distribution on the surface of turquoise bracelets, and the hardness of turquoise bracelets is high, and they are carved with objects of the same hardnessTurquoise braceletAnd malachite bracelets, there are obvious traces on the surface of the malachite bracelet, if there is no trace of the turquoise bracelet, it can be seen that there is still a gap between the turquoise bracelet and the malachite bracelet in the hardness.
Synthesis:
Ribbon synthesisMalachite has a color band from light blue to dark green, with a color width ranging from a few tenths of a millimeter to 3-4mm.Microbendingor complex curvilinear with a similar appearance to Zaire malachite.
丝状synthetic peacock stoneIt is a filamentous microcrystalline aggregate with a diameter of 0.01-0.1mm and a length of about tens of millimeters, which is cut and polished into a cabochon parallel to the direction of crystal extensionVertical crystalsWhen cut in the extension direction, the cross-section is almost black.
Cellular synthetic malachite comes in two forms: radial and concentric bands.Radial peacock stoneThe spheroids are scattered from the center of the chondrite core, and the color of the spheroids, which is almost black in the center, gradually changes from the core to the edges and turns pale green.
Chemical composition, color, relative density, hardness, optical properties of synthetic malachite andX-ray diffraction linesIt is similar to natural malachite, but it shows a large difference in the thermal spectrum. Therefore, differential thermal analysis is the identificationNatural malachiteThe only effective method with synthetic malachite. However, this analysis is destructive and should be used with caution in identification.
Malachite is a fragile but beautiful stone, and green is the most positive and intense green. Although it does not have the luster of jewelry, it has a unique elegance. Malachite has a bright green color and colorful tattooed eyes, which is very cute!
The design in the text is fromBodhitta Crystal HouseThe original designer of high-end natural jewelry @Jingwu Allure, welcome to pay attention to communication, and finally give you some beautiful designs!
sincereNatural sparRecognized by you, loved by you, welcome to communicate with Allure!
You may need this
