SA mines most of the world's small supply of rhodium, a metal used in the car catalysts that reduce emissions. This week the rhodium price reached highs of $20,800 (about R316,000) an ounce - up from $6,050 just over a year ago.

It's one of the commodity prices that have surged in a year in which SA's mineral resources have been one of the few bright spots in the economy...

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