Cinnabar, namely mercury sulfide, chemical name HgS; cinnabar, also known as cinnabar, dansha, red dan, mercury sand, is a natural ore of mercury sulphide, large red, with diamond luster to metallic luster, is a trigonal system. The main component of cinnabar is mercury sulfide, but it is often mixed with realgar, apatite and asphaltene.
Cinnabar is often used for medical treatment. Cinnabar, formerly known as Dansha, is a natural cinnabar for the six parties. "Shen Nong's Herbal Classic" lists it as the top grade. Medicinal processing can be used to shock, detoxify, cure epilepsy, convulsive, palpitations, insomnia, dreams, and dizziness. External treatment of sore swollen poison, mouth sores. Cinnabar is not only medicinal, but also has a wide range of applications in defense chemicals, radiation-proof lasers, and anti-attachment organisms for ships. Therefore, cinnabar has the reputation of "soft ruby".
Cinnabar is also a rare mineral pigment, because it is ruddy and bright, and never fades, so it has always been loved by painters. The "Wanshan Red Pass" created by the famous Chinese painter Li Keran is painted with cinnabar. One of the 3.1 square feet of the auction price reached 5.01 million yuan. At the same time, many units and individuals collect cinnabar as a gift and high-end decorations. For example, a cinnabar crystal collected by the Beijing Geological Museum is 270px long, 110.00000000000001px wide, 105px high and 237g net weight. It is called the world cinnabar king.
At present, cinnabar jewelry, such as cinnabar pendant, cinnabar ornaments, cinnabar beads bracelet, cinnabar gourd, cinnabar and other cinnabar ornaments are more and more popular with people, often wearing cinnabar jewelry, can ward off evil.
How to identify cinnabar jewelry?
Cinnabar is a mercury compound mineral cinnabar cinnabar, which mainly contains mercury sulphide, which is a commonly used heavy medicine and tranquilizer. Now found a cinnabar fake, its traits, physical and chemical identification as follows.
1 trait identification
1.1 Genuine This product is a block or granular aggregate, in the form of granules or lumps, bright red or dark red, streak red or dark red, shiny, weight, crisp, flakes are easy to break, The powder has a glittering luster, odorless and tasteless. When the product is flying, the flakes or particles are easy to be ground, the suspension is vermilion, and there is no residue at the bottom of the mortar.
1.2 Counterfeit This product is powdery, dark reddish brown, with a small amount of regular particles, granules with luster, weight, firm, odorless, tasteless. The powder of the product is dyed by hand, heated by direct fire, and the dark reddish brown color quickly fades out, which is a silver-gray powder. When the water is flying, the particles are not easy to be ground, and the suspension is dark brown. After the suspension is poured, a layer of silver-gray sand is visible.
2 physical and chemical identification
2.1 Genuine powder 20g, heated in a closed tube, black mercury sulfide appeared on the wall, but when added with sodium carbonate, metal mercury balls can be seen.
2.2 The fake product is also taken from 20g of powder, heated in a closed tube, and no substance appears on the tube wall.
In summary, the pseudo-products are significantly different from the cinnabar in the traits, and the physical and chemical tests show that they do not contain mercury components, so this product is not cinnabar.
Therefore, when you wear the purchase of cinnabar jewelry, you should identify it from the above two aspects, or ask the person who knows the product to help identify it to avoid being cheated.
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