Mica is a very common rock-forming mineral, widely distributed in crystalline rocks. Its general chemical formula can be expressed as:

Mica powder, known as industrial monosodium glutamate, is widely used. With the continuous development of technology and application market, and some new requirements have been put forward for the quality of mica powder, so synthetic mica powder has been developed. Compared with the natural mica powder processed by natural mica ore, and the synthetic mica powder synthesized by using a variety of raw materials through high temperature reaction and other chemical methods. What are the advantages and differences between them?

In these factories, technological advancement coexists with traditional practices. Automation plays a significant role in enhancing efficiency and minimizing human error, yet the human touch remains indispensable. The calibration and programming of machinery are the realms of engineers who bring their authoritative knowledge to bear, bridging the gap between mechanical processes and material science.

Phlogopite mica is a fascinating mineral that belongs to the mica group, renowned for its unique properties and applications. This silicate mineral is primarily composed of potassium, magnesium, and aluminum, forming a complex layered structure. Unlike its more common counterpart, muscovite mica, phlogopite is typically darker in color, ranging from brown to green, and exhibits strong birefringence and excellent cleavage properties.

Chameleon mica powder is a finely milled mineral pigment derived from natural mica, a group of silicate minerals. What sets chameleon mica apart from traditional mica powders is its unique ability to change color depending on the angle of light and the viewer's perspective. This iridescent effect is akin to that seen on the wings of certain butterflies or the surface of soap bubbles, where a spectrum of colors emerges due to interference of light. Chameleon mica powders are created by layering different pigment powders, resulting in a dynamic interplay of colors that can shift from one vibrant shade to another.

Take pearlescent pigments as an example, pearlescent pigments are a class of pigments with pearl luster, which are deposited on the substrate (generally natural mica, synthetic mica, glass sheet and other sheet-like materials) above a layer or alternately deposited multiple layers of metal oxides or non-metallic oxides and formed a flat sandwich body with a structure similar to sandwich. Due to the difference in refractive index between the substrate and the oxide deposited on its surface and each oxide, when the light shines on the surface of the pearlescent pigment, the incident light will be refracted and reflected at the interface of each layer of the pearlescent pigment, and the color of the pearlescent pigment that people see is the result of the superposition of light after multiple refractions and reflections of the light, that is, the interference phenomenon of light.

Later, with the development of science and technology, people gradually realized that mica minerals have high insulation, high temperature resistance, strong acid and alkali resistance, and mica also began to enter building materials, fire, plastics, paper, rubber, pearlite pigments and other industries. These are mainly Muscovite and phlogopite.