Fluorite occurs in a wide variety of colours with green and purple being the most common but it can also be colourless, white, yellow, blue, red or brown. Gemstones are translucent and particularly well known for their range and varying combinations of colour. The best way to fully appreciate them is by holding them up to the light.

The name originates from from the Latin word 'fluere' meaning 'to flow' as fluorite has a very low melting point and is one of the more famous fluorescent minerals. It is known to strongly fluoresce in a great variation of colour when exposed to ultraviolet (UV) light, however not all minerals will fluoresce even if obtained from the same locality. The word fluorescent comes from the mineral 'fluorite'.

Although found worldwide, only a handful of localities have produced large quantities of fine grade gemstones.  England has produced some of the finest specimens in areas such as Durham, Cornwall, Cumberland and Derbyshire and Castleton in Derbyshire is famous for a purple blue coloured Fluorite known as Derbyshire Blue John. As this site is almost depleted, this variety is now very rare. Its name comes from the French words 'bleu et jaune' meaning blue and yellow.

In crystal healing Fluorite with violet or purple colour is said to aid meditation, when hints of light blue is present it helps with patience, contentment and happiness, dark blue often attracts a change of circumstances and psychic ability and green has a positive influence over matters of employment, money, growth and fertility. Yellow Fluorite is known for strengthening intellect and study stamina and orange is often linked with energy, stimulation and stamina (both physical and spiritual) and the ability to cope in times of crisis. Fluorite carries an energy that can bring calm to chaos and it helps to restore a balance within the four levels that make us human, the mental, emotional, physical and spiritual. It helps you to be unbiased and to look at a situation from all sides and healers use it to purify and detoxify both the spirit and places and often recommend it be placed around computers and the workplace to reduce electromagnetic stress and relieve negative forces.

Fluorite is a popular and often colourful mineral whis is used extensively in jewellery, carvings and also toothpaste because of its ability to fight cavities. Fluoride (toothpaste) is a from of fluorite.

Notable deposits occur in Germany, Austria, Switzerland, England, Norway, Mexico and Canada. Illinois has historically been the largest producer in the United States, however the last of the mines closed in 1995. The Illinois general assembly passed a resolution in 1965 declaring fluorite as its official state mineral.

It is graded 4 on Mohs scale of mineral hardness and must be treated with care as it is quite fragile.

Further Reading:
Wikipedia on Fluorite
More facts on Fluorite
Fluorite aka Fluorspar by Geology.com


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