Orthoclase from Mpumalanga, South Africa
South Africa | |
| PMPB Meulenbeld collection |
Paul MPB Meulenbeld collection photo-773731 | |
| Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden . |
| De Jager, F. S. J. (1966). A post-mineralization strike-fault along a limb of a multiple cymoid structure in a Transvaal lead-silver mine. South African Journal of Geology, 69(1), 119-126. |