Dictionary » S » Sapphire

Sapphire

sapphire

1. (Science: 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 crystals, while the bright red crystals are called oriental rubies (see under Ruby), the amethystine variety Oriental amethyst (see under Amethyst), and the dull massive varieties corundum (a name which is also used as a general term to include all varieties). See Corundum.

2. The colour of the gem; bright blue.

3. (Science: zoology) Any humming bird of the genus Hylocharis, native of south America. The throat and breast are usually bright blue.

(Science: chemical) star sapphire, or Asteriated sapphire, a kind of sapphire which exhibits asterism.

Origin: OE. Saphir, F. Saphir, L. Sapphirus, Gr, of Oriental origin; cf. Heb. Sappir.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


The Fiber Disease

... available, such as spinel, have inadequate mechanical performance for many applications. Designers must use harder and stronger materials, like sapphire, as single crystals, which are very expensive to produce in large sizes and net shapes. Another approach is to make the grain size so much ...

See entire post
by Nadas Moksha
Fri Dec 15, 2006 8:00 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5560830

The Fiber Disease

... researching Morgellons. I happened upon information regarding a company that uses gold as the substrate and a gold 'lead' on the growth end of the sapphire nanowires. Held side by side with Jan's sample, in comparison they looked exactly the same, could not tell the difference. Every nanotech company ...

See entire post
by finding1cure
Mon Dec 04, 2006 6:38 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5560830

The Fiber Disease

... researching Morgellons. I happened upon information regarding a company that uses gold as the substrate and a gold 'lead' on the growth end of the sapphire nanowires. Held side by side with Jan's sample, in comparison they looked exactly the same, could not tell the difference. Every nanotech company ...

See entire post
by Ridgewalker
Sun Dec 03, 2006 3:58 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5560830


This page was last modified 21:16, 3 October 2005. This page has been accessed 1,703 times. 
What links here | Related changes | Permanent link