Gahnite Image

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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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