helam mining pty ltd,Corporate profile - Petra DiamondsMap of South Africa indicating location of operations Cullinan Mine . Partners: Thembinkosi Mining Investment (Pty) Ltd: 14%, Petra Diamonds Employee Share Trust: 12% . Fissure mines – Sedibeng (74.5% interest, Helam and Star ():.helam mining pty ltd,Petra Diamonds |Our diamonds have a unique provenance in that they are sourced from some of the most culturally significant diamond mines in the world. Read more.
helam mining pty ltd