What is a cinnabar necklace?

Cinnabar, also known as Cinnabar, Cinnabar, Red Lead and Mercury Sand, is a kind of mercury sulfide mineral with bright red color and diamond luster to metallic luster, belonging to ternary crystal system. Cinnabar is a sulfide mineral, cinnabar cinnabar, which mainly contains mercury sulfide (HgS). After digging, select pure ones, absorb iron-containing impurities with magnets, and then wash them with water to remove miscellaneous stones and sediment. In ancient China, cinnabar powder was used as pigment, and cinnabar pigment can remain bright and colorfast for a long time. Cinnabar can also be used as ink. Ancient emperors wrote with cinnabar when marking the throne, that is, we heard that cinnabar can also be used as ornaments. Cinnabar can be polished into various shapes and made into bracelets, necklaces, beads and pendants. Cinnabar ornaments are brightly colored and highly collectible. According to records, wearing cinnabar jewelry has a calming effect, and superstition also has an exorcism effect. Cinnabar is a very famous medicinal material in the field of traditional Chinese medicine, which can treat symptoms such as unconsciousness, mental uneasiness, arrhythmia, poor sleep and convulsion. The sedative effect of cinnabar has a certain effect on mental disorders caused by excessive heart fire, phlegm heat and fever. Cinnabar has the effects of clearing away heat and toxic materials, clearing away heat and dampness, and resisting virus. Can be used for treating various sores, oral ulcers, sore throat, etc. caused by excessive internal heat or virus infection. In addition, cinnabar can clear fire and improve eyesight, and can be used for blurred vision, tinnitus or deafness caused by liver and kidney deficiency, and can also relieve symptoms such as palpitation and poor sleep. It should be noted that the main component of cinnabar is mercury sulfide, which is highly toxic and must be used with caution. Cinnabar can't be used for a long time, and it will poison the liver, kidney and nervous system. And cinnabar can't be heated because the released gas is highly toxic. Acute cinnabar poisoning can lead to anuria or oliguria, edema, blood pressure drop, coma and convulsion, and even death. In addition, the symptoms of chronic poisoning include metallic taste in the mouth, drooling, mucosal ulcer, nausea and vomiting, abdominal pain and diarrhea, hematuria and so on. In a word, cinnabar is a poisonous inorganic ore. Cinnabar can have many uses for human beings and make great contributions in the fields of industry and medicine, but its toxicity can not be ignored, and a little carelessness may lead to tragedy. Therefore, cinnabar must be used under the guidance of professionals.