Quartz from selected localities.
South Africa | |
| [var: Chalcedony] Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, PO Box 44283, Linden 2104, South Africa. |
| [var: Chalcedony] Cairncross, B., Dixon, R. (1995) Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, PO Box 44283, Linden 2104, South Africa. |
Cairncross, B., Dixon, R. (1995) Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, PO Box 44283, Linden 2104, South Africa. | |
Von Bezing, K. L. et al. (1991) The Kalahari manganese field: An Update, Mineralogical Record 22(4) 279-302;; Giester, G., & Rieck, B. (1994). Effenbergerite BaCu [Si4010], a new mineral from the Kalahari manganese field, South Africa: description and crystal structure. Mineralogical Magazine, 58, 663-670.; Giester, G., & Rieck, B. (1996). Wesselsite, SrCu [Si4Olo], a further new gillespite-group mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine, 60, 795-798.; Rumsey, M. S., Welch, M. D., Kampf, A. R., & Spratt, J. (2013). Diegogattaite, Na2CaCu2Si8O20· H2O: a new nanoporous copper sheet silicate from Wessels Mine, Kalahari Manganese Fields, Republic of South Africa. Mineralogical Magazine, 77(8), 3155-3162. |
N'Chwaning I Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa