Mindat Short Description
Mn3+ analogue of (the much rarer) ferricoronadite.
Chemically related to (the Pb-richer) cesàrolite. Many manganese oxides are better identified using infra-red spectroscopy than by x-ray diffraction because of issues of crystal size, disorder, etc...
Geoscience Ontology Status Notes
Lindgren W, Hillebrand W F (1904) Minerals from the Clifton-Morenci district, American Journal of Science 18, 448-460
IMA Formula (from Mindat)
Pb(Mn4+6Mn3+2)O16
RRUFF Formula (from Geoscience Ontology)
Pb(Mn4+6Mn3+2)O16