- 2nd Oxidation Zone
- 3rd Oxidation Zone
As small (1 mm) colourless, white, to greyish-white crystals on calcite "from the 860m level" (Pinch and Wilson, 1977). Tan coloured crystals to 30 mm with elongated epimorphs after mimetite (?) were found on 46 Level in 1994 (Gebhard, 1999). One unique specimen comprises hedyphane crystals with stolzite (Gebhard, op. cit.).