Borax.

TCM Herbalism:Medicinals and Classifications. ✵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:Herbs for External Use.

 TCM Herbs Icon19 Introduction: Herbs for External Use: an agent or substance herbs that used externally for external disease.

 
Classifications of Herbs.

 TCM Herbs Icon 19 Introduction: The Herbs for External Use are known including:, , , , , , , , , , , , , , , .

 ✵Till the date March 19th, 2020, there are totally [16] kinds of common TCM herbs, [4] kinds of related plant species, [5] kinds of related insect species, [9] kind of minerals, are recorded in this category. These herbs for external Use are briefly introduced separately:

 
Borax.

 Borax Brief Introduction: The herb Borax is a colorless crystalline mineral salt, hydrated sodium tetraborate, used externally as a gargle for treating oral ulcers and acute tonsillitis, and internally as an expectorant. The herb is commonly known as Borax, or Pénɡ Shā, Yuè Shí(ancient name, literally it means moon stone).

 ✵Common official herbal classics and other famous herbal classics defined the herb Borax as the native borax, crystal with refining procedure and clean impurities. This commonly used mineral is introduced as:

 Native borax: It is commonly known as borax mineral or Pénɡ Shā Kuàng. Monoclinic system. Into short columnar crystals. Most of them are granular and earthy. It is usually white or microstrip light gray, light yellow, light blue or light green. Streaks white. Glass or grease sheen. Translucent to opaque. The cleavage is good and the fracture is shell-shaped. Hardness is 2~2.5. Specific gravity is 1.69~1.72. Crisp, sweet and salty. Transparent borax, exposed in the air for a long period it will become white powder. Mostly found in dry boron-bearing salt lakes.

 Natural environment: It is mainly produced in west and westnorth provinces, and other areas of China.

 Character by rhombus, column or granular crystallization composed of the irregular block, size, colorless transparent or white translucent, with glassy luster. Overtime it is weathered into white powder, opaque, slightly fat-like luster. Lightweight, fragile. No smell, taste salty and bitter. The herb which is colorless, transparent, clean crystal is better. It is soluble in cold water, soluble in hot water, also soluble in alkaline solution. It is easy to melt, at first, the volume is expanded and crumbled like a floc, then it melts into a transparent glass ball.

 Chemical composition:It is mainly composed of sodium tetraborate.

 
 

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