Dufrénite : Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O
As recorded:
Ste Barbe vein, Montmins mining district, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France
Collected by:
Photo added to mindat.org
“2 balls of green dufrénite (or natrodufrénite - not analysed) on yellow plumbogummite.
The biggest ball is 0.5 mm in diameter.
20mm macro lens on bellows. CZP.
”
Jean-Paul Berthe - 29th January 2019
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