It is also prized by those who simply collect minerals as a hobby. Fluorite in mineral form. Industrially, fluorite is used as an important component of smelting, and in some glasses and polymers. Surprisingly, pure fluorite is colorless and often found in limestone. Its also used in jewelry and microscope lenses. Pink, black and colorless are the rarest fluorite colors. But how does F 2 – the most reactive chemical element – come to be in these rocks?

Fluorite Mines. Fluorite is very common and deposits are found worldwide in almost all countries.

The various colors result from tiny amounts of other elements substituting for the calcium in the crystalline structure. This mineral comes in any color including colorless (pure fluorite) and some may come in a combination of two or more colors. In seawater fluoride concentrations are higher, i.e. There are a lot of countries where fluorite can be found and prime among them are England, Germany, Switzerland, Norway, Ontario, Mexico and Canada. Fluorite as a Gemstone About the Stone. Other fluorine-bearing minerals include apatite and cryolite. 1.2 to 1.5 mg/litre. The most common shapes are traditional ovals, rounds and cushions, but fancier shapes can be found. Usually, it forms a host-rock with minerals like quartz, calcite, and barite. Many collected fluorite stones are unworked and are traded in crystal form. In areas where the natural rock is rich in fluoride or where there is geothermal or volcanic activity, very high fluoride levels, up to 50 mg/litre, may be found in groundwater or hot springs. Fluorite is transparent in most cases. The fluorite was primarily found in two types of occurrences: fissure-vein deposits in the Rosiclare district, and stratiform (bedding plane) deposits in the Cave in Rock district. Multiple color varieties may be found which include clear, green, purple, and yellow. Fluorite is very sought after by those who collect crystals for metaphysical use. Where fluorite can be found ? Fluorite deposits: -in the form of the principal mineral (see page "Mines of fluorite")-in the form of a secondary mineral (see page "Other mines") Valzergues mine is a typical exemple of hydrothermal veins. Fluorite (CaF 2) or fluorspar is a halide mineral composed of calcium and fluor. Blue fluorite is quite rare and collectors are looking for it. The most common color of fluorite is perhaps colorless or purple, which is found at thousands of localities worldwide. Width of these fissure-vein deposits varied from a few feet to 30 feet or more, with depth in some mines reaching almost 1000 feet.

Along with that, its also ceramic-like so its used in a lot of cookware. It is commonly found in metallic hydrothermal deposits associated with lead, silver, galena, … Pure fluorite (CaF 2), made of the elements calcium (Ca) and fluorine (F), is colorless.

It is mined in China, Mongolia, Russia, Mexico and South Africa.

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