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Dufrénite : Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O, Alunite Supergroup : AD3(XO4)2(OH)6

Copyright © Patrice.Queneau
 
 
minID: 3Q3-DF0

Dufrénite : Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O, Alunite Supergroup : AD3(XO4)2(OH)6

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

Dufrenite balls ( black green ) and Alunite group ( yellow ) in a hole of Quartz
Field of view 10 mm
Photo and Collection Queneau Patrice

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Photo added: 19th Feb 2008