Pay attention to identification when using the hot

2022-08-17
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When using chalcopyrite as natural copper, pay attention to the identification

natural copper, also known as pith lead and square copper, is an ore of pyrite, a sulfide iron ore family mineral, produced in metal veins, in the contact zone between sedimentary rocks and igneous rocks, and also in metamorphic rocks. It is distributed in Liaoning, Shanxi, Hebei, Sichuan, Guangdong, Hunan, Hubei, Gansu, Anhui and other places. It can be collected all year round, removed impurities after mining, washed, dried and smashed, but it is rarely used for raw use and can reduce labor intensity. It is usually calcined or vinegar quenched until the surface is dark brown, gloss disappears and crisp, and ground into coarse powder for medicine. The main ingredient is iron disulfide (FeS2), which is mild in nature, pungent in taste and non-toxic. It has the effects of dispersing blood stasis and relieving pain, and connecting tendons and bones. It is used to treat bruises, swelling and pain, broken tendons and bones, etc. it can also be used as a pill powder, and it can also be applied externally. According to the book of Materia Medica classics, "natural copper is used to enter the blood and circulate blood. If there is pollution, it is also a medicine for connecting tendons and bones. If it is broken, it will cause blood stasis and pain, and Xin can disperse the stagnant blood and break the accumulated Qi, it will stop the pain and hurt itself." In the market, chalcopyrite, a sulfide mineral, is passed off as natural copper. The main component of this ore is copper iron disulfide (CuFeS2). Pay attention to identification when using it

genuine natural copper

is mostly hexagonal, with particle size of 0.2-2.5 cm, ribbed, bright light yellow; Stripe green black or brownish red, smooth surface, sometimes fine texture, opaque, with metallic luster; Weight, hard and brittle, easy to break, yellow white section, metallic luster; Odorless and tasteless, but it burns with sulfur gas. It is better to have neat blocks, yellow and bright color, and metallic luster on the cross section

fake chalcopyrite

the appearance is an irregular dense block aggregate, the surface is brass, easily weathered, and is a mixed porphyritic color of blue, purple, brown, etc., with stripes in the middle, which is green black, metallic luster, opaque, uneven fracture, brittle, fragile, slightly gassy, and light taste

modern pharmacological research shows that natural copper can promote fracture healing. A large number of trace elements contained in it can be absorbed, deposited and mineralized in the callus, which is conducive to collagen synthesis, and improve the activity of lysine oxidase, which has led to the imbalance of some ordinary fabrics. At present, some ordinary fabrics have done this, so as to strengthen the toughness of collagen fibers and increase the insolubility of collagen, so as to enhance the biomechanical strength and promote the formation of new bone. At the same time, natural copper has different degrees of anti fungal effects on a variety of pathogenic fungi. The 1995 edition of the Pharmacopoeia of the people's Republic of China only takes pyrite as the mineral source of natural copper. The fake chalcopyrite is not included in the Pharmacopoeia and does not have these effects, so it cannot replace natural copper for medicine

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