Look up: fluorite

1. fluorite
   Glassy, brittle halide mineral, calcium fluoride CaF₂, forming cubes and octahedra; colourless when pure, otherwise violet, blue, yellow, brown, or green. Fluorite is used as a flux in iron and steel making; colourless fluorite is used in the manufacture of microscope lenses. It is also used for the glaze on pottery, ...
   Found on http://www.talktalk.co.uk/reference/ency
   
   
2. fluorite
   [n] - a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. Fluorite
   This is a solid, transparent chemical substance that is used to make one of the elements in a triplet, apochromatic objective lens. Such a component is very delicate
   Found on http://www.irpoyser.co.uk/glossary.php
   
   
4. Fluorite
   Flu'or·ite noun (Min.) Calcium fluoride, a mineral of many different colors, white, yellow, purple, green, red, etc., often very beautiful, crystallizing commonly in cubes with perfect octahedral cleavage; also massive. It is used as a flux. Some va...
   Found on http://www.encyclo.co.uk/webster/F/49
   
   
5. fluorite
   <chemical> Calcium fluoride, a mineral of many different colours, white, yellow, purple, green, red, etc, often very beautiful, crystallizing commonly in cubes with perfect octahedral cleavage; also massive. It is used as a flux. Some varieties are used for ornamental vessels. Also called fluo...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. Fluorite
   • (n.) Calcium fluoride, a mineral of many different colors, white, yellow, purple, green, red, etc., often very beautiful, crystallizing commonly in cubes with perfect octahedral cleavage; also massive. It is used as a flux. Some varieties are used for ornamental vessels. Also called fluor spa...
   Found on http://thinkexist.com/dictionary/meaning
   
   
7. fluorite
   common halide mineral, calcium fluoride (CaF2); the principal fluorine mineral. It is usually quite pure, but as much as 20 percent yttrium or cerium ... [8 related articles]
   Found on http://www.britannica.com/eb/a-z/f/40
   
   
8. fluorite
   fluorite (flOO'urīt) or fluorspar (flOO'urspär) , mineral appearing in various colors, e.g., green, yellow-brown, rose, and red. Chemically, it is calcium fluoride, CaF2. Its crystals, commonly cubic, are transparent or translucent and under certain conditions exhibit fluorescence...
   Found on http://www.infoplease.com/ce6/sci/A08190
   
   
9. Fluorite
   Fluorite (calcium fluoride) or fluorspar or Derbyshire-Spar is a mineral occurring in many different colours, found in veins where it's the main mineral or with metallic ores, especially lead and silver. It generally occurs massive, but crystallizes in simple forms of the monometric system: the cube...
   Found on http://www.probertencyclopaedia.com/brow
   
   
10. Fluorite
    `Fluorite` (also called `fluorspar`) is a halide mineral composed of calcium fluoride, CaF₂. It is an isometric mineral with a cubic habit, though octahedral and more complex isometric forms are not uncommon. Crystal twinning is common and adds complexity to the observed crystal hab...
    Found on http://en.wikipedia.org/wiki/Fluorite