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


Physical and Chemical Properties

  • Color = green, blue, brown or grey.
  • Crystals= octahedral
  • Composition = ZnAl2O4

Resources and Citations

  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

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