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Gahnite Image

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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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