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Quartz : SiO2, Goethite : α-Fe3+O(OH)

Copyright © Jorge Moreira Alves
 
 
 
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Quartz : SiO2, Goethite : α-Fe3+O(OH)

Copyright © Jorge Moreira Alves  - This image is copyrighted. Unauthorized reproduction prohibited.

Quartz with Goethite.Specimen size 7,5x5cm.


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Photo added: 5th Dec 2006

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