How much do you know about Muscovite Mica?

Muscovite Mica is also called ordinary mica, potassium mica or mica, which is one of the mica minerals. Muscovite is a good electrical insulator and thermal insulator, and it can be produced in large quantities, so it has important economic value. It is usually produced in metamorphic rocks, but also in rocks such as granite. Muscovite is not just white, it can be light brown, green, red to colorless, with glass luster to silky luster. The shape is a large plate-like, hexagonal crystal or fine-grained aggregate.

Muscovite Mica

As a Muscovite Mica Powder Factory, share with you the chemical composition of muscovite. The chemical composition of muscovite is KAl2 (AlSi3O10) (OH) 2. The monoclinic system, a layered structure silicate, and biotite belongs to the mica family minerals. The crystals are pseudo-hexagonal flakes, the aggregates are flakes or scales. Fine-scale muscovite is called sericite. The flakes are colorless and transparent, and the thick flakes have a pale yellow, light green or brown tone. Glass luster, cleavage surface shows pearl luster. The hardness is from 2.5 to 3. The cleavage parallel {001} is extremely complete, and the sheet is elastic. The density is 2.76 to 3.10 g / cm3. Has high electrical insulation, heat resistance and good mechanical properties. Muscovite is the main mineral component of mica rock and mica schist. It can grow into coarse crystals in pegmatite. Luyuan muscovite debris can be enriched in siltstone.

Muscovite is one of the widely distributed rock-forming minerals and is produced in all three major rock types. The mudstone can form sericite during the metamorphic process in the low-level area. When the metamorphic degree is slightly higher, it becomes muscovite. A large amount of muscovite was formed in the late period of acid magma crystallization and the pegmatite stage. It can also be generated during the alteration process from high temperature to medium and low temperature. The so-called mica petrification is one of the high-temperature alterations and can form a large amount of muscovite. The so-called sericitization is one of the low-temperature alterations, which can form a large amount of sericite. The muscovite is weathered and broken into extremely fine scales, which can be either the debris in the clastic sediments or one of the mineral components of the mudstone.

The muscovite schist is mainly found in acid magmatites; in addition, it is often found in mica, metamorphic schist and gneiss. The muscovite produced in granite often forms crystals with great industrial value; the formation of muscovite in pegmatite is multi-stage; in the hydrothermal metal deposits and hydrothermal metamorphic rocks, sericite blooms are common and form Sericite; muscovite is widely distributed in metamorphic rocks. It is formed by clay rocks under higher temperature and the participation of potassium.

The characteristics of muscovite are insulation, high temperature resistance, gloss, stable physical and chemical properties, and good heat insulation, elasticity and toughness. After processing into mica powder, it also has good sliding properties and strong adhesion. Due to the properties of mica and mica powder, it has the following uses: daily chemical raw materials, mica ceramic raw materials, paint additives, plastic and rubber additives, construction materials, protective coatings for electrode coatings, and drilling mud filling. Additives and so on.

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