Noelbensonite from South Africa
South Africa | |
| Costin, G., Fairey, B., Tsikos, H., Gucsik, A. (2015): Tokyoite, As-Rich Tokyoite, and Noélbensonite: New Occurrences From the Postmasburg Manganese Field, Northern Cape Province, South Africa. The Canadian Mineralogist: 53: 981-990 |
| Kumba Iron Ore |
Costin, G., Fairey, B., & Tsikos, H. (2014) Tokyoite and As-rich tokyoite: new occurrence in the manganese ore of the Postmasburg Manganese Field, South Africa. 21st annual IMA conference |