Gahnite
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Description
A dark green to black Spinel mineral composed of zinc aluminum oxide. Gahnite was named after the Swedish mineralogist John Gottlieb Gahn. Specimens have been obtained in Sweden (Galun), Argentina (Cordoba),and several areas of the U.S. (Massachusetts, North Carolina, Arizona, Maine, New Jersey).
Synonyms and Related Terms
zinc spinel
Physical and Chemical Properties
- Color = green, blue, brown or grey.
- Crystals= octahedral
- Composition = ZnAl2O4
Resources and Citations
- Encyclopedia Britannica, http://www.britannica.com Comment: "Gahnite." Accessed 19 May 2004 .
- Wikipedia: http://en.wikipedia.org/wiki/Gahnite (Accessed Sept. 7, 2005)
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998