what are diamonds used for in tanzania

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  • what is alunite used for
  • for what purpose is bauxite or aluminium mainly used
  • what is iron used for
  • what is fluorite used for
  • what are silver ores used for
  • what was iron ore used for
  • what is bauxite ore used for
  • what is gold used for
  • what is a good used sheeter carton industry
  • what are agrilime products used for in south africa
  • what is tin ore used for