The Democratic Republic of Congo is home to the world's largest cobalt reserves, as well as significant deposits of copper and diamonds.

South Africa is the world's leading producer of platinum, and also has abundant reserves of gold, diamonds, and chromium.

Tanzania is a major producer of tanzanite, a rare blue gemstone found only in the foothills of Mount Kilimanjaro.

Guinea is the world's largest exporter of bauxite, which is used to make aluminum.

 Zambia is a major producer of copper and cobalt, and also has significant reserves of emeralds and amethysts.

Madagascar is known for its unique deposits of sapphires, rubies, and other precious stones.

 Namibia is home to some of the world's largest deposits of diamonds, as well as significant reserves of uranium and other minerals.

 Ghana is the second-largest producer of gold in Africa, and also has significant reserves of bauxite and manganese.

 Morocco is a major producer of phosphates, which are used in fertilizers and other products.

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