Tourmaline from Western Cape, South Africa
South Africa | |
| Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden . Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden . |
| Cole, D. I. (2013) The Metallogeny Of The Calvinia Area. Council for Geoscience, Pretoria, South Africa |
Macdonald, W.G., Rozendaal, A., and de Meijer, R.J. (1997): Mineralium Deposita 32, 371-381. |