| | Description | |
| Type Locality: | Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa is the type locality for Effenbergerite | | Comments: | It occurs in pectolite veins which transect a fine grained massive matrix of sugelite, braunite and manganite. Additional minerals accompanying the assemblage include copper, calcite, clinozoite and quartz. | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Min. Mag. 58. pp. 663-670 | | Data | |
| Mineral Data: | Click here to view Effenbergerite data | | Locality Data: | Click here to view Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa | | Photo Gallery | View Gallery (5 photos) |
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