What are the characteristics of talc? The reason why talc has the property of being slippery and sof

Sexual taste is sweet, light, and cold. into the stomach and bladder meridians.

Indications] 1Diuretic drenching is used for hot bladder, unfavorable urination, short red and astringent pain, more compatible with hollyhock, psyllium, etc., such as talc; It is used for stone drenching and urine blood, and is mostly used with Wuhai Jinsha, desmodium, etc., such as Erjin Pai Stone Soup.

2.It is used to clear away heat and relieve heat, upset and thirsty, and short urine. It is used for damp temperature disease, the body is not hot, the afternoon is very hot, the food is less greasy, and it is often used with white coix seeds, coix seeds, etc., such as Sanren soup; It is used for summer dampness and diarrhea, and is often used with poria cocos, lentils, fried coix seeds, etc.

3.For eczema and eczema, it can be used alone, or applied externally with alum, cork, etc.; It is used for prickly heat, and can be used with mint and licorice.

Dosage and usage] 10 15 grams, cloth wrapped into decoction. Appropriate amount for external use.

Contraindications] Spleen deficiency, fever and pregnant women should not be used.

According to the language] talc is sweet and cold, heavy and slippery, light can seep, cold can be clear, heavy can be reduced, and slippery energy is good, so it is an important medicine for clearing heat and slipping, diuretic and drenching. With its heat and water, it has the function of relieving heat; External use at the end of grinding can also collect dampness and sores.

Identification of similar drugs] talc and gypsum can clear heat and quench thirst, but talc quenches thirst in the trick to infiltrate dampness to neutralize the spleen and stomach and stop thirst, suitable for people who are hot and damp in summer and have short urine and thirst, if they are hot and thirsty, they should not be used; Gypsum quenches polydipsia and thirst, which lies in the heat of Qingyang Ming, so that the heat is removed and the fluid is retained, so it is appropriate to use Yangming heat and thirst. Both can be used externally to dispel dampness and converge, but talc is preferred for eczema, prickly heat and itching, and gypsum is used for sores and sores that have not been closed for a long time.

Lumpy or leaf-like aggregates, white, light green, pink and other colors, streaks white, fatty luster or pearl luster, translucent, soft, light, with a creamy feel. Ask for attention.

Talc is a hydrothermal alteration mineral. Magnesium-rich minerals often turn into talc by hydrothermal alteration, so talc often presents mineral artifacts such as olivine, enstatite, hornblende, tremolite, etc. Talc is a common silicate mineral that is very soft and has a slippery feel.

There are 10 minerals that have been chosen to represent 10 levels of hardness, called Morse hardness, and the first (and softest) of these 10 levels is talc. Soft talc can be used instead of chalk to draw white marks. Talc is generally lumpy, leaf-like, fibrous or radial, white in color, off-white, and will have various colors due to the presence of other impurities.

Talc has many uses, such as refractory materials, fillers for papermaking and rubber, pesticide absorbents, leather coatings, cosmetic materials and carving materials.

Talc is a hydrothermal alteration mineral. It is a common silicate mineral that is extremely soft and has a slippery feel. Specifically, you can go to Mianning Xicheng Talc Mining Co., Ltd.'s ** to see.

Summary. Here are some common silicates:1

Quartz: SiO22Feldspar:

kalsi3o8、naalsi3o8、caal2si2o83.Mica: K(mg,Fe)3(alsi3O10)(OH)24

Jadeite: al2o3·sio25Magnesite:

mgco36.Calcite: caco37

Chalcopyrite: cufes28Oblique Zircon:

zrsio4

Dear, is there anything else to add to your question?

The reason why talc has the property of being slippery and soft is:

Pro, talc has the property of being slippery and soft because it contains a lot of water in its chemical composition.

It is a rock belonging to the silicate mineral, and the main component is the talc component (Mg3[Si4O10](OH)2), in which the noisy "OH" Zheng rotten chain represents the presence of water molecules in the structure. These water molecules make talc susceptible to shear deformation under the action of external forces, thus exhibiting slippery and soft characteristics.

In addition, talc also contains more magnesium, which is one of the reasons for its softness and smoothness.

Introduction to the present and past uses of chrysotile asbestos.

I don't really understand this.

Good. In the past, chrysotile asbestos was widely used in the construction industry, for example as a fireproof material, a roof and wall insulation material, a pipe insulation material, etc. In the automotive industry, asbestos is also used as parts such as exhaust pipe insulation gaskets and brake shoe pads.

In electrical equipment, it is used as an insulating material for wires and cables.

Now, because the harm of chrystile cotton to human health has been fully recognized, many countries have enacted legislation to prohibit the production and use of chrysotile asbestos-containing products. In its place are new types of harmless alternatives, such as fiberglass, stone wool, ceramic fibers, etc.

Chrysotile asbestos is a permeable mineral fiber, the main component of which is magnesium silicate. Due to its high temperature resistance, heat insulation, sound insulation and other properties, it has been widely used in construction, automobile manufacturing, electrical equipment and other industries in the past. However, due to the serious health problems caused by long-term exposure to chrysotile asbestos, such as lung cancer and mesothelioma, the use of chrysotile asbestos has been phased out.

What are silicates?

The following are some of the common silicates of Qingxun:1Quartz:

sio22.Feldspar: kalsi3o8, naalsi3o8, caal2si2o83

Mica: K(mg,Fe)3(alsi3O10)(OH)24Jadeite Chongmu Stone:

al2o3·sio25.Magnesite: MGC36

Fang dissolves the chasen stone: caco37Chalcopyrite:

cufes28.Oblique Zircon: zrsio4

Silicates are a class of chemicals composed of silicon and oxygen, and often other metallic or non-gold-deficient elements. Silicates are widely found in nature, such as quartz, feldspar, mica, etc.

Hello, sorry to keep you waiting, talc schist, a metamorphic rock formed by regional metamorphism of ultramafic rocks or magnesia-rich carbonate rocks. In addition to the main mineral talc, there are also small amounts of mica, quartz, chlorite, etc. The rock has a scaly metacrystalline structure, a flake structure, low hardness, and a slippery feeling.

Rock classification: metamorphic rocks Regional metamorphism Metamorphic mafic rocks. Mineral composition:

The main minerals are talc and mica, but quartz, chlorite, and actinolite are also common; Minor minerals include soapstone, pyrite, magnetite and ilmenite.

1. Talc has the effect of diluting water, relieving summer heat, and collecting dampness and sores. Talc returns to the stomach and bladder meridians.

2. Symptoms such as unfavorable urination and hot showering caused by damp heat betting can be used in the same way as Mutong, psyllium, and Qumai, such as Bazhengsan.

3. It can be used for stone shower, and it can be used with drugs such as Wuhai Jinsha, Desmodium, Mutong, etc., such as Erjin Pai Stone Soup.

4. It can be used with licorice for symptoms such as heat and thirst, shortness of urine and redness.

5. It can be used with symptoms such as damp and warm chest tightness, poor qi, etc., and is mostly used with coix seeds, white corn seeds, almonds and other drugs.

6. It can be used for eczema, eczema and other diseases, and can be used with drugs such as peppermint and licorice.

Specific characteristics of talcum powder: high melting point, inactive chemistry, good hiding power, softness, good luster, strong adsorption and other excellent physical and chemical properties.

In many applications, talc can not only play the role of a general filler to reduce product costs, but also significantly enhance many of the properties of these products. This makes talc as a filler, widely used in papermaking, plastics, paints, ceramics, cosmetics, medicine, rubber, agricultural products, fertilizers and other industries. The addition of talcum powder can change a variety of properties of plastics, such as molding shrinkage, surface hardness, flexural modulus, tensile strength, impact strength, thermal deformation temperature, molding process and product dimensional stability.

Talcum powder with very small fineness value is also called ultra-fine talcum powder, which not only has a good improvement on the impact strength of plastic products, but also has a significant lubricating effect on the processing technology of plastics. Ultrafine talc also has a characteristic, that is, it has the effect of nucleating agent, and it is widely used in life.

Answer]: e talc taste: sweet, simple and cold.

Return to the bladder, lungs, and stomach meridians. Efficacy: Dilute water, clear away heat and relieve heat; Empty silver shine for external use to reduce dampness and sores.

Indications: hot shower, stone shower, urinary heat and astringency pain; summer dampness and thirst, dampness and temperature at the beginning; hot and wet water diarrhea; Eczema, eczema, prickly heat.