Carnegieite (synthetic variety of Nepheline)
Current inventory:  0 gems
 

  
Carnegieite is named for Scottish-born American industrialist, Andrew Carnegie (1835-1919). Carnegieite was first synthesized at the Carnegie Institution of Washington, D.C. which was founded by Andrew Carnegie.

Discovery year unknown;   IMA status: Not Valid (trade/variety name)

Chemistry

Chemical Formula:

NaAlSiO₄

Sodium Alumiun Silicate

More Information

Carnegieite is a synthetic variety of Nepheline.
For more information please see the Nepheline information page.
 

Synonyms:

Natronanorthite, Soda-Anorthite, ß-Carnegieite
 

Additional Information: 

Mindat.org  (Carnegieite)
Mindat.org  (Nepheline)
Webmineral.com  (Nepheline)
 

View mineral photos:

Nepheline Mineral Photos and Locations

Carnegieite is a rare synthetic Nepheline material. Chemically, it is sodium aluminum silicate. Carnegieite is triclinic at low temperatures and isometric at high temperatures, possibly identical with Soda-Anorthite of S.J. Thugutt. Carnegieite is named for Scottish-born American industrialist, Andrew Carnegie (1835-1919) and was first synthesized at the Carnegie Institution of Washington, D.C. which was founded by Andrew Carnegie.
 

  
Carnegieite gems for sale:

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