Members of the Batho Pele cooperative of artisanal miners sift through sand and rocks as they search for diamonds in Kimberley, the site of the nineteenth-century diamond rush that attracted fortune-seekers from across the globe. More than 800 informal miners have been granted the right to mine diamond waste fields, but the going is bumpy and some of the aspirants who are not part of the cooperative have been removing fencing, blocking access roads and burning tyres.