The most likely candidate for nationalization would be the mines. Of course, when you ask what CAN be nationalized, the answer is, anything or everything. In Vietnam, the communist government literally owns everything in the country.
diamonds, gold
Poverty
The original Imperialists were seeking any valuable natural resources
uranium, gold, coal, diamond,
Mostly diamonds.
Gold and Diamonds
South Africa's diamond industry is undergoing turbulent times.
Yes. South Africa is richer than many other parts of Africa primarily due to the natural resources of the area.
I found some very helpful information about the History of South Africa, the industrialization, natural resources including gold an diamonds
The natural resources of the south are sweets, minerals, and more
Natural gas and oil
plentiful natural resources