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KCON claim, USA-4, Clarion-Clipperton Zone, Pacific Ocean

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Birnessite : (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O, Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O

KCON claim, USA-4, Clarion-Clipperton Zone, Pacific Ocean

A 2.5 cm nodule consisting of intermixed birnessite and todorokite, recovered from approximately 4570 meters. S271-06
Excalibur Mineral specimen.
 © 2008, JGWPhoto ID: 146952    View Count: 146

Wad

KCON claim, USA-4, Clarion-Clipperton Zone, Pacific Ocean

Ferromanganese nodule known also as 'pelagite' of 30 mm in diameter.
Photo and collection Antonio Borrelli
 © Antonio BorrelliPhoto ID: 68454    View Count: 874
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