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Zimbabwe | |
| Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. |
| Shigley, J.E. et al. (2010) Gem Localities of the 2000s. Gems and Gemology, Fall 2010, 188–216. Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. Gübelin, E. and Wolgensinger, M. (1976) Edelstenen. Uitgeverij Artis, Brussel (in Dutch). |
| Betts, John (n.d.) John Betts website listing. |
| Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. |
| Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. |
Novello Mine, Masvingo District, Masvingo, Zimbabwe