- 2nd Oxidation Zone
- 3rd Oxidation Zone
On 30 Level, as thick-bladed, gemmy, blue pseudo-octahedral crystals to 50 mm, with powellite and betpakdalite-CaCa. On 35 Level, again as gemmy blue crystals with the type assemblage for betpakdalite-CaMg. Also found in the third oxidation zone as crystals to 20 mm, with rare associates wilhelmkleinite and gertremmelite.