Rwanda's recent exports of coltan / tantalum appear to exceed its mine production

Annual volume of coltan / tantalum exported from Rwanda compared to the country's tantalum mine production (tonnes), 2013-2024.

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*Indicative range based on a 20%-30% tantalum content in coltan. On the international market, coltan generally contains a minimum of 30% tantalum. Lower grade material with a minimum of 20% tantalum can also be found.

Chart: pturSource: National Bank of Rwanda, UN Comtrade database (coltan export statistics), USGS' Mineral Commodities Summaries (tantalum mine production), East Group minerals (coltan market specifications), Swissinfo's own calculations