fluorite

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fluor·ite

(flo͝or′īt′, flôr′-)

A mineral, essentially CaF₂, that is often fluorescent in ultraviolet light and occurs in light green, blue, yellow, brown, and colorless forms. Also called fluor, fluorspar.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

fluorite

(ˈflʊəraɪt)

(Minerals) US and Canadian a white or colourless mineral sometimes fluorescent and often tinted by impurities, found in veins and as deposits from hot gases. It is used in the manufacture of glass, enamel, and jewellery, and is the chief ore of fluorine. Composition: calcium fluoride. Formula: CaF2. Crystal structure: cubic. Also called (in Britain and certain other countries): fluorspar or fluor

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

fluo•rite

(ˈflʊər aɪt, ˈflɔr-, ˈfloʊr-)

n.

a mineral, calcium fluoride, CaF₂, occurring in crystals and in masses: the chief source of fluorine. Also called fluor , fluorspar.

[1865–70; < Italian; see fluor, -ite¹]

fluor·ite

(flo͝or′īt′)

A mineral consisting of calcium fluoride. Fluorite occurs in many colors (especially yellow and purple), usually in crystals shaped like cubes or octahedrons, and is often fluorescent in ultraviolet light. It is the mineral used to represent a hardness of 4 on the Mohs scale.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

fluorite - a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine

fluor, fluorspar

atomic number 20, Ca, calcium - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals

atomic number 9, fluorine, F - a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite

mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition

References in periodicals archive ?

Stronger supervision, disciplinary actions and regulation has led to a decline in fluorite production and as a result, fluorite-based products have been facing a sharp uptick in prices.

Chinese Fluorine Chemicals Industry Market Research Report

Blue John is a semi-precious gemstone, a rare variety of the mineral Calcium Fluorite, with distinctive purple, blue and golden yellow banding, which runs through the stone and makes each Blue John gemstone different.

UNDER THE HAMMER; pastlife

Each semi-precious stone is unique, and purple rejuvinating fluorite promotes clarity, happiness and harmony.

n.b LOVES; Our top 20 jewellery buys that will leave you dripping in gold

Miss Fluorspar Pageant, carnival, BBQ, pet parade, bicycle & golf cart contest/parade, quilt show, car/motorcycle show, photo contest, food and craft vendors, American Fluorite Museum, live music, parade at 2 p.m.

Up & COMING

Tolgos noted the need for wider consultations before landowners are compensated as the ministry plans to license a fluorite mining firm.

4,000 in Kerio Valley to wait longer for fluorspar mining compensation

The minister said that the production volume of copper concentrate for this period increased by 3 percent, and fluorite concentrate grew 39.5 percent.

Mongolia's industrial output grew 23.3%

Many hydrothermal uranium (U) ores are accompanied by high concentrations of fluorine (F) in the form of fluorite and/or other F-bearing minerals such as fluorapatite [1-4].

Uranium Transport in F-Cl-Bearing Fluids and Hydrothermal Upgrading of U-Cu Ores in IOCG Deposits

from Mexico are mostly fluorite products where the U.S.

Fitch Affirms Mexichem IDRs at 'BBB'; Outlook Negative

Shades of blue and green in chalcedony precede the glowing orange of calcite and the vivid greens of fluorite, an ingredient in toothpaste.

DK, Eds. The Rock and Gem Book and Other Treasures of the Natural World

In Shan State, fluorite is known from two localities: Langhko and Pinlaung townships.

Colour-zoned fluorite from Shan and Kayah States, Myanmar

Reportedly, the company's independent geological studies have been commissioned to a group of leading graphite geologists, Element12 International, which will further review the following Phase 1 findings which include sample results of 49.2% high-grade, graphite content found in graphite bearing rock; random testing of the three major tailing heaps on the property containing approximately 180,000 tons of graphite-bearing rock; prevalence and frequency of lump, crystalline, medium-to-large flake graphite and historical mineral-producing tin and fluorite mines on the property, and other mineral potential on the site, including copper.