Athabascaite Umangite Berzelianite Image

Athabascaite Umangite Berzelianite Image
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 Athabascaite, Umangite, Berzelianite

Large Athabascaite Image

Mineral: Athabascaite: Cu5Se4  
Umangite: Cu3Se2  
Berzelianite: Cu2Se
Comments: Reflected light photomicrograph of umangite (pinkish), berzelianite (gray), athabascaite (small white areas in berzelianite), calcite (olive).
Location: Sierra de Umango, La Rioja, Argentin.
Scale: Not Given.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
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