1. 
   spinel
   [n] - a hard glassy mineral consisting of an oxide of magnesium and aluminum
   Found op http://www.webdictionary.co.uk/definition.php?query=spinel
   
   
2. 
   Spinel
   A compound containing a mixture of one or more metal oxides.
   Found op http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/s.html
   
   
3. 
   Spinel
   Spin'el noun Bleached yarn in making the linen tape called inkle ; unwrought inkle. Knight.
   Found op http://www.encyclo.co.uk/webster/S/164
   
   
4. 
   spinel
   noun a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=spinel
   
   
5. 
   Spinel
   • (n.) Bleached yarn in making the linen tape called inkle; unwrought inkle. • (n.) Alt. of Spinelle
   Found op http://thinkexist.com/dictionary/meaning/spinel/
   
   
6. 
   spinel
   mineral composed of magnesium aluminum oxide (MgAl2O4) or any member of a group of rock-forming minerals, all of which are metal oxides with the ... [3 related articles]
   Found op http://www.britannica.com/eb/a-z/s/141
   
   
7. 
   Spinel
   Spinel is the magnesium aluminium member of the larger spinel group of minerals. It has the formula MgAl2O4. Balas ruby is an old name for a rose-tinted variety. ==Spinel group== The spinels are any of a class of minerals of general formulation A2+B23+O42- which crystallise in the cubic (isometric)...
   Found op http://en.wikipedia.org/wiki/Spinel
   
   
8. 
   spinel
   spinel, magnesium aluminum oxide, MgAl2O4, a mineral crystallizing in the isometric system, usually as octahedrons. It occurs as an accessory mineral in basic igneous rocks, in aluminum-rich metamorphic rocks, and in contact-metamorphosed limestones. Common spinel usually ranges in color from dark g...
   Found op http://www.infoplease.com/ce6/sci/A0846289.html
   
   
9. 
   Spinel
   Spinel is a common metamorphic mineral occurring imbedded in crystalline limestone, gneisses, and serpentine. Spinel occurs as a common accessory mineral in many dark igneous rocks. When transparent and finely coloured it is often confused for ruby and is used as a gem stone. An oxide of magnesium a...
   Found op http://www.probertencyclopaedia.com/browse/HS.HTM
   
   
10. 
    spinel
    Any of a group of `mixed oxide` minerals consisting mainly of the oxides of magnesium and aluminium, MgAl₂O₄ and FeAl₂O₄. Spinels crystallize in the cubic system, forming octahedral crystals. They are found in high-temperature igneous and metam...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0015310.html
    
    
11. 
    spinel
    magnesium aluminate, MgAl2O4.
    Found op http://www.chemistry-dictionary.com/definition/spinel.php
    
    
12. 
    spinel
    1) Crystalline gemstone 2) Mineral 3) Mineral containing magnesium 4) Reddish mineral
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/spinel/1
    
    

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