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Debswana Diamond Company Ltd, or simply Debswana, is a mining company located in Botswana, and is the world's leading producer of diamonds by value. Debswana is a joint venture between the government of Botswana and the South African diamond company De Beers; each party owns 50% of the company. Debswana operates four diamond mines in central Botswana, as well as a coal mine. ==Mines== The mines owned and operated by Debswana are: *Diamond mines: * *Orapa diamond mine, opened in 1971 * *Letlhakane diamond mine, opened in 1975 * *Jwaneng diamond mine, opened in 1982 * *Damtshaa diamond mine, opened in 2003 *Coal mine: * *Morupule Colliery, opened in 1973 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Debswana」の詳細全文を読む スポンサード リンク
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