Fluorite in a sentence

Mindat.org Presently, the word "fluorspar" is most commonly used for fluorite as the industrial and chemical commodity, while "fluorite" is used mineralogically and in most other senses.

Occurrence and mining A closeup of fluorite surface Fluorite is a widely occurring mineral that occurs globally with significant deposits in over 9,000 areas.

The elements identified included allanite, ceriate, thorite, columbite, tantalite, apatite, zircon, monazite, pyrochlore euxenite and fluorite.

Yellow fluorite is great to have around if you need a bit of a boost, as it promotes energy and joy.

But the last American fluorite mine nearly 30 years ago, unable to compete with cheaper operations in places like Mongolia.

You can close your eyes and sit quietly with Fluorite while imagining your body being filled with an incredible energy that puts you at ease with yourself and the world.

As most other actinide dioxides, it is a black solid with a cubic ( fluorite ) crystal structure.

As of the late 1990s, five billion kilograms were mined annually. citation There are three principal types of industrial use for natural fluorite, commonly referred to as "fluorspar" in these industries, corresponding to different grades of purity.

A total of 31 isotopes of astatine have been discovered, with atomic masses ranging from 193 to 223. Production Approximately six million metric tons of the fluorine mineral fluorite are produced each year.

Common examples of halides include halite (NaCl, table salt), sylvite (KCl), fluorite (CaF 2 ).

Defect formation in fluorite dioxides Both CeO 2 and ThO 2 accommodate excess oxygen in their lattice by formaing peroxide molecules.

Divalent europium (Eu 2+ ) in small amounts is the activator of the bright blue fluorescence of some samples of the mineral fluorite (CaF 2 ).

During the 19th century, this attractive fluorite was mined for its ornamental value.

Fluorite comes in a wide range of colors and has consequently been dubbed "the most colorful mineral in the world".

Fluorite has four perfect cleavage planes that help produce octahedral fragments.

Fluorite is a colorful mineral, both in visible and ultraviolet light, and the stone has ornamental and lapidary uses.

Fluorite may be drilled into beads and used in jewelry, although due to its relative softness it is not widely used as a semiprecious stone.

Fluorite optics are also usable in the far-ultraviolet range, where conventional glasses are too absorbent for use.

Fluorite or fluorspar is called Blue John in the Peak District, the name allegedly coming from the French Bleu et Jaune which describes the colour of the bandings.

For example, if some material is scratched by apatite but not by fluorite, its hardness on the Mohs scale would fall between 4 and 5. American Federation of Mineralogical Societies.