✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.
Classifications of Herbs:Diuretics and Hydragogues Herbs:Herbs Diuretics.
Introduction: Herbs Diuretics: also known as damp-draining diuretic herbs,an agent or substance herbs that increases urine excretion and water discharge for treating internal retention of dampness.
✵Till the date Oct 10th,2019, there are totally  kinds of common TCM herbs,  kinds of related plant species,  kinds of related fungus species,  kinds of related insect species,  kind of related mineral are recorded in this category. These Diuretics and Hydragogues Herbs:Herbs Diuretics are briefly introduced separately:
Brief Introduction: The herb Talcumn is a very soft mineral composed mainly of hydrous magnesium silicate, used to induce diuresis, clear summer-heat and dispel damp in the treatment of summer afflictions, watery diarrhea, oliguria, and urinary infection, and also externally for treating eczema and miliaria. The herb is commonly known as Talcumn, Talc, Huá Shí.
✵Official herbal classics and other famous herbal classics defined the herb Talcumn(Talc) as the blocks of the (1).talc. It is a kind of mineral composed mainly of hydrous magnesium silicate. It is introduced as:
(1).Talc.: It is also known as Talc powder, Huá Shí. Monoclinic system. The crystals are hexagonal or rhomboid, but intact crystals are rare, usually granular and scaly dense masses. Light green, white, or gray. Streaks of white or light green. Glossy fat shape, cleavage surface shows pearl shape. Translucent to opaque. Cleavage is complete along the bottom. Hardness is 1, specific gravity is 2.7~2.8. Property is soft, has a slippery and greasy feeling. A piece of talc can be sawn into any shape, and the sheet is flexible but inelastic.
Ecological environment:It is found mainly in metamorphic rocks, limestone, dolomite, magnesite and shale. Resources distribution: It is distributed in the Zhujiang river area, the lower reaches area of the Yangtze River, north and northwest area, and other areas of China.
Trait identification:(1).Talc: For dense block, scale-like aggregation, irregular block or flat block. White, yellow-white or light gray to light blue. Translucent or opaque. Wax-like luster, some pearl luster. Soft and delicate, can be written on hard paper, the hand feels smooth. No hygroscopic, no collapse in water. Without smell, no taste, have a slight cool feeling. The herb clean, white, smooth, no mixed stone is better. (2).Talc powder is a fine, sandless powder, white or quasi-white. The hand feels greasy. Odorless, tasteless. Fine powder, white color, no impurity is preferred.