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Kidwellite : NaFe3+9(PO4)6(OH)11·3H2O, Dufrénite : Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O, Alunite Supergroup : AD3(XO4)2(OH)6

Copyright © Patrice.Queneau
 
 
minID: 1Q4-U47

Kidwellite : NaFe3+9(PO4)6(OH)11·3H2O, 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.

Kidwellite (yellow green) on Dufrenite (greenish black) with Alunite group (orange)
Field of view 3 mm
Photo and Collection Queneau Patrice

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Photo added: 24th Feb 2008