Gahnite Image

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Hudson Institute of Mineralogy

Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

Gahnite

Large Gahnite Image

Mineral:

Gahnite: ZnAl2O4

Comments:

Optical micrograph of gahnite (blue) + Na-Ca-Li mica pseudomorph after staurolite in calcite matrix pigmented with brownish Fe-(hydr)oxide. (AmMin, 88:794).

Location:

Diaspore-bearing metabauxite from East Samos (Greece).

Scale:

See Image.

Copyright:

© American Mineralogist

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