Gahnite

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Gahnite

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

Raman

GahniteRS.jpg


Other Properties

Color = green, blue, brown or gey. Crystals= octahedral

Composition ZnAl2O4

Sources Checked for Data in Record

  • Encyclopedia Britannica, http://www.britannica.com Comment: "Gahnite." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. 19 May 2004 .
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998