Spinel definitions

Spinel

1) Beautiful stone 2) Crystalline gemstone 3) Cut mineral 4) Decorative stone 5) Gemstone mined in Sri Lanka 6) Gemstone 7) Gemstone mineral 8) Jewel mineral 9) Jewel 10) Kind of ruby 11) Magnesium mineral 12) Mineral jewel 13) Mineral 14) Mineral containing magnesium 15) Mineral gemstone 16) Polished jewel
Found on https://www.crosswordclues.com/clue/spinel

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Spinel

1) Ceylonite 2) Pleonaste
Found on https://www.crosswordclues.com/clue/spinel

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Spinel

==Properties of true spinel== Spinel crystallizes in the isometric system; common crystal forms are octahedra, usually twinned. It has an imperfect octahedral cleavage and a conchoidal fracture. Its hardness is 8, its specific gravity is 3.5–4.1 and it is transparent to opaque with a vitreous to dull luster. It may be colorless, but is usually v...
Found on http://en.wikipedia.org/wiki/Spinel

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Spinel

• (n.) Bleached yarn in making the linen tape called inkle; unwrought inkle. • (n.) Alt. of Spinelle
Found on http://thinkexist.com/dictionary/meaning/spinel/

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Spinel

A compound containing a mixture of one or more metal oxides.
Found on http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/s.html

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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 on http://www.britannica.com/eb/a-z/s/141

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spinel

magnesium aluminate, MgAl2O4.
Found on http://www.chemistry-dictionary.com/definition/spinel.php

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Spinel

Spin'el noun Bleached yarn in making the linen tape called inkle ; unwrought inkle. Knight.
Found on http://www.encyclo.co.uk/webster/S/164

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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 and aluminium it has the formulae MgAl2O4 and a rel...
Found on http://www.probertencyclopaedia.com/browse/HS.HTM

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spinel

A hard, semiprecious gemstone that ranges in colour from red to black, often resembling a ruby. Spinels can also be blue, green and yellow, depending on the concentration of iron compounds within them. Spinels have a hardness of 8 on the Mohs Scale
Found on http://www.saffronart.com/sitepages/jewelry/glossary.aspx

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Spinel

Magnesium aluminate
Found on http://www.translationdirectory.com/glossaries/glossary075.htm

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spinel

[n] - a hard glassy mineral consisting of an oxide of magnesium and aluminum
Found on http://www.webdictionary.co.uk/definition.php?query=spinel

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spinel

noun a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones
Found on https://www.encyclo.co.uk/local/20974

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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 on https://www.encyclo.co.uk/local/21221

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Spinel

(Magnesium Aluminum Oxide) Spinel is a very attractive and historically important gemstone mineral. Its typical red color, although pinker, rivals the color of ruby . In fact, many rubies of notable fame belonging to crown jewel collections were found to actually be spinels. Perhaps the greatest mistake is the Black Pr...
Found on https://www.encyclo.co.uk/local/23719

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