Like many Congolese here, Mr Dishuishe is convinced Europeans are abetting Rwanda's illegal mining in DR Congo, including for coltan, a mineral vital to the electronics industry.

BBC: Matonge: Congo-Rwanda dispute hits heart of Europe

Glen Jones of Intierra RMG, a company that provides sources of data, analysis, consulting, reports and mineral information maps to the mining industry, believes there is a significant amount of risk in the sector today.

FORBES: PDAC: Many Factors Putting Mining Industry At Risk

The Elimination of Double Subsidies for the Hard rock Mining Industry Act takes on depletion allowances for mineral extraction based industries.

FORBES: Connect