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Sapphire

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Formula:
Al2O3
A variety of Corundum

Most commonly refers to a blue gem variety of Corundum, but other coloured varieties of Corundum are also described as Sapphire, except red Corundum, which is better known as Ruby.

Visit gemdat.org for gemological information about Sapphire.


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Pronounciation of SapphireHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Chemical Properties of SapphireHide

Formula:
Al2O3

Synonyms of SapphireHide

Other Language Names for SapphireHide

Arabic:Jacut
Basque:Zafiro
Bulgarian:Сапфир
Czech:Safír
Danish:Safir
Dutch:Saffier
Esperanto:Safiro
Estonian:Safiir
Finnish:Safiiri
French:Saphir
Hebrew:ספיר
Indonesian:Safir
Italian:Zaffiro
Latin:Sapphirus
Latvian:Safīrs
Lithuanian:Safyras
Norwegian (Bokmål):Safir
Polish:Szafir
Portuguese:Safira
Romanian:Safir
Russian:Сапфир
Simplified Chinese:蓝宝石
Slovak:Zafír
Slovenian:Safir
Swedish:Safir
Turkish:Safir
Ukrainian:Сапфір
Vietnamese:Xa-phia

Varieties of SapphireHide

Asteriated SapphireA variety of Sapphire exhibiting the property of asterism.
Cat SapphireOriental sapphires of some value but not of the characteristic colour.
PadparadschaA salmon-pink coloured gem sapphire.
Star SapphireA variety of sapphire that exhibits a star pattern when viewed down the c axis. The chatoyance is due to oriented microscopic inclusions (nanorods) of diaspore (Nadin, 2007).

The Star of India is the largest star sapphire in the world (563 carats or 11...

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ruby23 photos of Sapphire associated with Ruby on mindat.org.
Corundum14 photos of Sapphire associated with Corundum on mindat.org.
Zircon7 photos of Sapphire associated with Zircon on mindat.org.
Rutile5 photos of Sapphire associated with Rutile on mindat.org.
Garnet4 photos of Sapphire associated with Garnet on mindat.org.
Calcite4 photos of Sapphire associated with Calcite on mindat.org.
Mullite3 photos of Sapphire associated with Mullite on mindat.org.
Phlogopite3 photos of Sapphire associated with Phlogopite on mindat.org.
Muscovite3 photos of Sapphire associated with Muscovite on mindat.org.
Sillimanite2 photos of Sapphire associated with Sillimanite on mindat.org.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for SapphireHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Wiederhorn, S.M. (1969) Fracture of sapphire. Journal of the American Ceramic Society: 52: 485-491.

Internet Links for SapphireHide

Localities for SapphireHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListShow

Mineral and/or Locality  
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