Most claimants are black miners from South Africa and neighbouring countries such as Lesotho, whom critics say were not provided with adequate protection during and even after the Apartheid ended in 1994.
The two companies will exchange past exploration information on areas prospective for diamonds in Zimbabwe and form a jointly-owned special purpose vehicle to develop and exploit diamond resources.
The announcement is the last of a string of difficulties Anglo has faced with the iron ore mine, which was expected to produce 16 million tonnes this year, but that will now generate just 3 million tonnes.
