Extremely rare. Second oxidation zone.
- 2nd Oxidation Zone
Paragenetic and General Notes
Reported as a component of the type assemblage for hermannroseite, from 28 Level, in association with conichalcite, pseudomalachite and whitlockite (Von Bezing et al., 2014). in this occurrence, the hydroxylapatite is coloured black by manganese oxides.