Williamson Diamond Limited (WDL) dominated the diamond production in Tanzania in the financial year 2018/2019. The operator had a share of ** percent in the total production. In operation since 1940, Williamson is the major diamond mine in Tanzania and one of the largest diamond mines in Africa. The operator WDL is owned by the mining group Petra Diamonds, which holds ** percent of the operations, and the Government of Tanzania, with ** percent ownership.
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Tanzania Mining Commission. (March 31, 2020). Distribution of market volume of diamond mining producers in Tanzania in the financial year 2018/2019 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1272439/leading-diamond-producers-in-tanzania/
Tanzania Mining Commission. "Distribution of market volume of diamond mining producers in Tanzania in the financial year 2018/2019." Chart. March 31, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1272439/leading-diamond-producers-in-tanzania/
Tanzania Mining Commission. (2020). Distribution of market volume of diamond mining producers in Tanzania in the financial year 2018/2019. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1272439/leading-diamond-producers-in-tanzania/
Tanzania Mining Commission. "Distribution of Market Volume of Diamond Mining Producers in Tanzania in The Financial Year 2018/2019." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Mar 2020, /statistics/1272439/leading-diamond-producers-in-tanzania/
Tanzania Mining Commission, Distribution of market volume of diamond mining producers in Tanzania in the financial year 2018/2019 ÌÇÐÄÆƽâ°æ, /statistics/1272439/leading-diamond-producers-in-tanzania/ (last visited July 26, 2026)
Distribution of market volume of diamond mining producers in Tanzania in the financial year 2018/2019 [Graph], Tanzania Mining Commission, March 31, 2020. [Online]. Available: /statistics/1272439/leading-diamond-producers-in-tanzania/
