Calcite crystal is a common calcium carbonate mineral with various forms and colors. The following is a detailed introduction to calcite crystal:

1. Basic properties

Chemical composition: CaCO₃ (calcium carbonate).

Crystal system: trigonal system.

Hardness: Mohs hardness is 3.

Cleavage: has perfect rhombohedral cleavage.

Luster: glass luster to pearl luster.

2. Morphology and color

Morphology: Calcite crystals can present a variety of forms, including rhombohedral, columnar, plate-like, fibrous, etc.

Color: Calcite crystals have a variety of colors, including colorless, white, yellow, green, blue, pink, orange, brown, etc. The color is usually caused by impurity elements or inclusions.

3. Optical properties

Birefringence: Calcite has a significant birefringence phenomenon. When observing an object through a calcite crystal, a double image can be seen.

Fluorescence: Some calcites fluoresce under ultraviolet light in a variety of colors, such as red, blue, green, etc.

4. Formation and Origin

Formation environment: Calcite is commonly found in sedimentary rocks, metamorphic rocks, and hydrothermal veins. It can also form stalactites and stalagmites in caves.

Main origin: Calcite is widely distributed throughout the world, with major origins including Mexico, the United States, China, Iceland, the United Kingdom, etc.

5. Application and use

Industrial use: Calcite is used to make industrial products such as cement, lime, fertilizer, and glass.

Decoration and collection: Calcite crystals with bright colors and beautiful shapes are used as decorations and collections.

Optical instruments: Due to the birefringent nature of calcite, it is used to make optical instruments such as polarizing microscopes.

6. Energy and spirituality

Energy healing: Calcite is believed to have powerful energy healing effects that can balance emotions, increase energy, and promote spiritual growth.

Chakra correspondence: Different colors of calcite correspond to different chakras, such as yellow calcite corresponds to the solar plexus, green calcite corresponds to the heart chakra, etc.

7. Care and Maintenance

Cleaning: Calcite is relatively hard and easily scratched. Use a soft cloth and mild soapy water to clean it.

Avoid chemicals: Calcite is easily corroded by acid and should be avoided from contact with acidic substances.

Summary

Calcite crystals are known for their diverse forms and colors, remarkable optical properties, and wide range of applications. Whether as an industrial raw material, decoration, or energy healing stone, calcite has important value and significance.

Article Title: Calcite crystal structure
Author:Xingaonai
Reprint URL: https://www.cadana.cn/industral-news/calcite-crystal-structure.html