Pyrolusite : Mn4+O2
Wavellite : Al3(PO4)2(OH,F)3·5H2O
Photo added to mindat.org
“White rosettes of wavellite. Field of view 18 cm.”
Mario Adelt - 25th January 2006
Photo added to mindat.org
“Dark grey-metallic pyrolusite. Back side of specimen depicted in the parent image. Field of view 18 cm.”
Mario Adelt - 25th January 2006
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