Chinese name: Black Tin
lead
Specific gravity: 1 1.34
Hardness: 2~3
Specific gravity: 7.4~7.6
Alias: Gold in Water (Compendium of Materia Medica), Tin in Water, Lead Essence, Black Gold (Shi Yao Erya), Blue Gold, Black Tin (Dictionary of Traditional Chinese Medicine), Black Lead (Chinese Veterinary Medicine Code), Blue Lead (Zhejiang Folk Veterinary Medicine Code) and Tin Ash (Yuan Heng Therapeutic Horse Code).
Properties: Primary minerals are equiaxed, and the crystals are usually cubic or octahedral. The most common in nature is particle aggregate. The color is lead gray and the stripes are light gray. It has metallic luster, opacity and cubic perfect cleavage. The fracture is flat, half-shell or serrated. The hardness is 2~3. Specific gravity is 7.4~7.6. Sexually fragile. The medicinal materials are white metal objects. The cut surface is shiny, and the oxide film will be produced when exposed to air. The texture is soft and can be scratched with claws. When it is cut on paper, black stripes appear, which has strong plasticity and small ductility. Specific gravity 1 1.34, melting point 327.5℃. Easy to melt, the flame is light blue. Soluble in nitric acid, almost insoluble in dilute hydrochloric acid and sulfuric acid.
Distribution: The original minerals are in hydrothermal deposits and often coexist with sphalerite. Produced in Hunan, Sichuan, Yunnan, Hubei, Guangxi, Fujian, Guizhou and Northeast China.
Nature and taste: sweet, cold and poisonous. Sedate and soothe the nerves, reduce swelling and detoxify. China Veterinary Mineral Medicine and Prescription: "Calm the heart and soothe the nerves, calm the heart and relieve asthma. The indications are nervous panic, kicking, biting, intestinal spasm, horse impotence and chills. " "Japanese Herbal Medicine": "Calm the mind and soothe the nerves. Treat typhoid poison gas, nausea and vomiting, and be bitten by snakes. " Compendium of Materia Medica: "Eliminating carbuncle and swelling, improving eyesight and strengthening teeth, blackening beard and hair, killing insects and resolving phlegm. Treat hiccups, quench thirst, madness, etc. " Materia Medica: "Main gall tumor. The file is the end, and the wind sores are swollen. "
Black Xidan: the origin of prescription
Song "Taiping Huimin and Heji Bureau".
Combination usage
Black tin, sulfur (60g each), Jin Lingzi, fenugreek, Radix Aucklandiae, Radix Aconiti Lateralis Preparata, Nutmeg, Fructus Psoraleae, Lignum Aquilariae Resinatum, Fructus Foeniculi, Actinolite (30g each) and Cortex Cinnamomi (15g).
The wine paste pill is as big as a buttonwood tree, 3~9g each time, and it is served in warm water.
Efficacy indications:
It has the functions of warming latent heat, activating yang, dispelling cold and descending adverse flow, and mainly deals with life-threatening emergencies such as fire failure, yin-fire upwelling, kidney failure, turbid yin full of asthma and excessive phlegm. It can also be used to treat deficiency of true yang, yin and cold, stagnation of three yin and qi, cold hernia, abdominal pain and diarrhea, male impotence, irregular menstruation in women, low leucorrhea, infertility, pale tongue, and weak or slight pulse.