sapphire

See corundum.

Sapphire

In 1902 the French chemist Auguste Verneuil developed a process for producing synthetic sapphire crystals. In the Verneuil process, named after him, fine alumina powder is added to an oxyhydrogen flame, and this is directed downward against a mantle. The alumina in the flame is slowly deposited, creating a teardrop shaped `boule` of sapphire mat.....
Found on http://en.wikipedia.org/wiki/Sapphire

sapphire

[adj] - having the color of a blue sapphire 2. [n] - a precious transparent stone of rich blue corundum valued as a gemstone 3. [n] - a transparent piece of sapphire that has been cut and polished and is valued as a precious gem
Found on http://www.webdictionary.co.uk/definition.php?query=sapphire

Sapphire

• (n.) The color of the gem; bright blue. • (n.) Any humming bird of the genus Hylocharis, native of South America. The throat and breast are usually bright blue. • (a.) Of or resembling sapphire; sapphirine; blue. • (n.) Native alumina or aluminium sesquioxide, Al2O3; corundum; esp., the blue transparent variety of corundum, hi...
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sapphire

adjective of something having the color of a blue sapphire; `sapphire eyes`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=sapphire

Sapphire

[color] Sapphire is a saturated shade of blue, referring to the gem of the same name. Sapphire gems are most commonly found in a range of blue shades although they can be many different colors. Other names for variations of the color sapphire are blue sapphire or sapphire blue, shown below. ==Sapphire== Displayed at right is the color sapph...
Found on http://en.wikipedia.org/wiki/Sapphire_(color)

SAPPHIRE

[Health care] The Situational Awareness and Preparedness for Public Health Incidences and Reasoning Engines (SAPPHIRE) is a semantics-based health information system capable of tracking and evaluating situations and occurrences that may affect public health. It was developed in 2004 by Dr. Parsa Mirhaji at the University of Texas Health Sci...
Found on http://en.wikipedia.org/wiki/SAPPHIRE_(Health_care)

Sapphire

[satellite] Sapphire is a Canadian space surveillance satellite which was launched in 2013. Sapphire was constructed by MacDonald, Dettwiler and Associates (MDA) based on an SSTL-150 bus produced by Surrey Satellite Technology (SSTL) and an optical payload produced by COM DEV Canada. ==Details== SAPPHIRE, Canada`s first military satellite, ...
Found on http://en.wikipedia.org/wiki/Sapphire_(satellite)

Sapphire

Sap'phire adjective Of or resembling sapphire; sapphirine; blue. 'The sapphire blaze.' Gray.
Found on http://www.encyclo.co.uk/webster/S/16

Sapphire

Sap'phire noun [ Middle English saphir , French saphir , Latin sapphirus , Greek ..., of Oriental origin; confer Hebrew sappīr .] 1. (Min.) Native alumina or aluminium sesquioxide, Al 2 O 3 ; corundum; esp., the blue transparent va...
Found on http://www.encyclo.co.uk/webster/S/16

sapphire

1. <chemical> Native alumina or aluminium sesquioxide, Al2O3; corundum; especially, the blue transparent variety of corundum, highly prized as a gem. 'of rubies, sapphires, and of pearles white.' (Chaucer) ... Sapphire occurs in hexagonal crystals and also in granular and massive forms. The name sapphire is usually restricted to the blue crys...
Found on http://www.encyclo.co.uk/local/20973

Sapphire

A gemstone of the corundum family, although blue is the color most commonly associated with sapphires, they come in a range of colors from white to orange to green to pink. In fact, if a corundum gemstone is red, it is referred to as a ruby, but any other color, including the light pinkish 'rubies' in inexpensive jewelry are properly referred to as...
Found on http://www.indygem.com/pages/Glossary-of-Terms.html

sapphire

A precious gemstone from the corundum family that is available in several colours including blue, green, yellow, pink, purple and white, depending on the metallic oxides it contains. Sapphires have a hardness of 9 on the Mohs Scale
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Sapphire

A sapphire is a variety of the corundum mineral. It is considered one of the most beautiful and precious gemstones because of its splendid deep blue color. Sapphires can be found naturally in sediments and rock formations or they can be produced by industrial means
Found on http://www.studiojewellery.com.au/jewellery-glossary-s.html

sapphire

Al2O3, aluminum oxide
Found on http://www.chemistry-dictionary.com/definition/sapphire.php

Sapphire

Any gem, other than ruby, especially of blue colour due to traces of cobalt present in it.
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Sapphire

Corundum
Found on http://www.translationdirectory.com/glossaries/glossary077.htm

sapphire

Deep-blue, transparent gem variety of the mineral corundum Al2O3, aluminium oxide. Small amounts of iron and titanium give it its colour. A corundum gem of any colour except red (which is a ruby) can be called a sapphire; for example, yellow sapphire
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Sapphire

Sapphire is a coloured form of corundum, often blue and transparent. The colouration is caused by the presence of iron oxide and titanium oxide. Artificial sapphires are made by melting powdered corundum at high temperature with iron and titanium.
Found on http://www.probertencyclopaedia.com/browse/HS.HTM

Sapphire

Sapphire is an English name for girls. The meaning is `clear jewel` The name Sapphire is most commonly given to English and Welsh girls. (6 times more often than to American girls.) The name sounds like: Sabra, Zippora
Found on https://www.pregnology.com/names/girls/Sapphire

sapphire

sapphire, precious stone. A transparent blue corundum, it is classified among the most valuable of gems. Sapphires are found chiefly in Thailand, India, Sri Lanka, and Myanmar and also in Australia and in the United States (in Montana). The sapphires from Kashmir are of a beautiful cornflower blue a...
Found on http://www.infoplease.com/ce6/sci/A0843632.html

sapphire

transparent to translucent, natural or synthetic variety of corundum (q.v.; aluminum oxide, Al2O3) that has been highly prized as a gemstone since ... [6 related articles]
Found on http://www.britannica.com/eb/a-z/s/30
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