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What Is Calcium Fluoride?

Calcium fluoride is a naturally occurring, inorganic compound with a crystalline structure, often recognized for its role in dental health as it helps fortify teeth. This mineral, found in various geological environments, is also essential in creating high-quality optics and in metallurgy. Curious about its multifaceted applications and how it impacts your daily life? Let's delve deeper into the world of calcium fluoride.
Marjorie McAtee
Marjorie McAtee

Not to be confused with sodium fluoride, which is the most commonly used fluoride in toothpaste, calcium fluoride is a mineral with the chemical formula CaF2. Calcium fluoride occurs as isometric crystals in nature and is also known as fluorite. Although it is sometimes used to add fluoride to drinking water and in some dental applications, it is mostly used in steel, glass and ceramic industries.

Calcium fluoride is useful in the production of lenses and prisms in the application of ultraviolet and infrared wavelengths. Because it is a hard material that is stable, it results in products that are durable and resistant. In another use, synthetic calcium fluoride is used in manufacturing of break pads because it helps reduce abrasion caused by high heat and friction.

Calcium fluoride is used in making lenses and prisms for infrared and ultraviolet applications in microlitography and laser.
Calcium fluoride is used in making lenses and prisms for infrared and ultraviolet applications in microlitography and laser.

There are grades of calcium fluoride available for different uses in manufacturing. Calcium fluoride is processed into crystals through a melting and cooling process. The mineral is so durable that it can withstand temperatures up to 800 degree Celsius (1472 Fahrenheit) and this makes it a much preferred component in the production of lenses for laser applications. Producers of these products order calcium fluoride blanks from manufacturers as per their requirements.

Calcium fluoride is a mineral with the chemical formula CaF2.
Calcium fluoride is a mineral with the chemical formula CaF2.

Calcium fluoride is believed to have little acute toxicity but does result in health problems when inhaled or ingested. Combination of the mineral with other substances such as mineral acids can result in the production of corrosive and toxic fumes. It can result in respiratory, gastric, nervous system problems. Those who are working with calcium fluoride in manufacturing must take the necessary precautions to prevent inhaling or ingesting the mineral.

Sometimes confused with calcium fluoride, sodium fluoride is a naturally occurring cell salt that is responsible for maintaining the health of connective tissue and bones. It is believed to prevent the formation of cavities. As such, it is often added to drinking water and toothpastes in most Western countries. Some experts however also have concerns about these uses as it is possible for sodium fluoride levels in the body to reach toxic levels.

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Discussion Comments

anon991713

Fluoridated water contains the poison sodium fluoride. The same sodium fluoride found in toothpaste which has a warning in the label not to swallow it and not to overuse it. Calcium fluoride is not the same as sodium fluoride.

anon510152

Calcium not sodium?

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    • Calcium fluoride is used in making lenses and prisms for infrared and ultraviolet applications in microlitography and laser.
      By: XYZproject
      Calcium fluoride is used in making lenses and prisms for infrared and ultraviolet applications in microlitography and laser.
    • Calcium fluoride is a mineral with the chemical formula CaF2.
      By: walkerma
      Calcium fluoride is a mineral with the chemical formula CaF2.