Keckite : CaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3·7H2O
Rockbridgeite : Fe2+Fe3+4(PO4)3(OH)5
Photo added to mindat.org
“Radiating orange keckite in vugs of rockbridgeite. Type material for new determination of chemical formula (Hochleitner & Fehr 2010).
Strahliger Keckit in Rockbridgeit-Drusen. Typusmaterial zur Neubestimmung der Formel (Hochleitner & Fehr 2010). Foto Mineralogische Staatssammlung. ”
Volker Betz - 10th September 2018
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