No it's not, says this fides article:
Johannesburg (Agenzia Fides) - "Violence is growing and I do not know what will happen. The unions are losing control of the miners in protest. The miners are abandoning unions and want to choose their own representatives. One is risking now to overcome the regulations adopted by the Government and the trade union centers to control labor conflicts" says to Fides Agency His Exc. Mgr. Kevin Dowling, Bishop of Rustenburg (South Africa), where yesterday, October 11, two people were killed in a slum close to a platinum mine. Meanwhile, workers in gold mines have rejected, deeming inadequate, an increase in offer put forward by the employers.
the full story at link