Fluorite
Fluorite
Fluorite (pronounced: /ˈflʊəraɪt, ˈflɔːr-/), also known as fluorspar, is a mineral composed of calcium fluoride, CaF2. It is an isometric mineral that occurs in a wide variety of colors, including colorless, green, purple, blue, yellow, and in rare cases, black.
Etymology
The term "Fluorite" is derived from the Latin word "fluere", which means "to flow". This is in reference to the mineral's low melting point, which made it useful as a flux in smelting.
Related Terms
- Calcium: A chemical element that is a member of the alkaline earth metals group. It is a major component of fluorite.
- Fluoride: An ion of fluorine. Fluorite is a source of fluoride.
- Isometric crystal system: The crystal system to which fluorite belongs.
- Smelting: The process of extracting a metal from its ore by heating and melting. Fluorite was used as a flux in this process.
Uses
Fluorite is used in the manufacture of opalescent glass, enamels, and cooking utensils. The highest grade, "acid grade fluorite" (97% or higher purity), is used to produce hydrogen fluoride and subsequent production of all fluorine-bearing chemicals. It is also used in the manufacture of certain types of glass and enamel.
Health Effects
Exposure to fluorite dust can cause irritation to the eyes, skin, and respiratory tract. Ingestion can cause symptoms such as nausea, vomiting, and diarrhea. Long-term exposure can lead to skeletal fluorosis, a bone disease caused by excessive consumption of fluoride.
External links
- Medical encyclopedia article on Fluorite
- Wikipedia's article - Fluorite
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