What they need is improved knowledge to better assess the value of diamonds that they extract and sell so that they themselves can capture more of the value added along the diamond marketing chain. If they can do that, then they themselves can do everything that the literature recommends be ...
The consolidation of the De Beers Mining Company and the Kimberley Central Mining Company in March 1888 resulted in the creation of De Beers Consolidated Mines Limited, the company which since then has monopolized diamond mining not only in South Africa but all over the world. This article recoun...
Sarine Tech leads the diamond industry with innovative solutions, retail experience, and precision through pioneering AI-based grading
Coloured gemstones—the trade name for all precious coloured gemstones other than diamond—continue to be in great demand by jewelers and watchmakers across the globe. The worth of trade in rough stones (excluding jade) is estimated at between USD 2 and 3 billion (Shortell and Irwin, 2017)....
The Diamond Mines of South Africa A life-long friend of Cecil Rhodes, Garner F. Williams (1842鈥 1922) was the first general manager of the De Beers Consolidated Mines, which once produced 95% of the diamond yield of the world. First published in 1902, this work opens wit... None - ...
Sarine Tech leads the diamond industry with innovative solutions, retail experience, and precision through pioneering AI-based grading
Cape Town- port city in southwestern South Africa; the seat of the legislative branch of the government of South Africa Johannesburg- city in the northeastern part of South Africa near Pretoria; commercial center for diamond and gold industries ...
大的钻石工程有限公司(DiamondWorks) 、英美公 司(AngloAmerican )和德比尔斯公司(DeBeers ConsolidatedMines)等。 西方大型跨国矿业公司参 与非洲矿产资源勘查开发的方式不尽相同。 在矿种 选择上 ,西方公司一般考虑两个因素 ,一是战略矿 种,如美国在非洲倾向于开采钴、铀等矿物 ;二是盈 利矿种 ,如黄金、铜、金刚...
Synthetic diamonds are now extensively used in industry, and are also used as gemstones in jewelry. The Diamond Cartel The discoveries of 1870–71 in South Africa led to a great number of prospectors staking out claims and securing the diamonds by open-pit or quarry mining. The damage caused...
Patrick Smith, editor of Africa Confidential, told MEE that reporters at Burhan’s press conference were left baffled when he set out a raft of conditions to be met in order to restore peace, having first insisted that “we are keen on stopping the war and restoring peace and security, ...