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Gold : Au, Alunite Supergroup : AD3(XO4)2(OH)6

Copyright © Patrice.Queneau
 
 
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Gold : Au, Alunite Supergroup : AD3(XO4)2(OH)6

Copyright © Patrice.Queneau  - This image is copyrighted. Unauthorized reproduction prohibited.

Gold on Alunite group ( probably Plumbogummite )
Field of view 2 mm
Photo and Collection Patrice Queneau

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Photo added: 25th Feb 2008