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The earliest official finds were made from approximately 1867 onward, in sands and gravels of the Orange and Vaal Rivers in South Africa. Subsequently, diamonds were found in "hard rock" kimberlites and, most recently, in off-shore deposits along the western coast of South Africa and Namibia.
- A History of Diamond Sources in Africa: Part I
Download PDF. For more than 100 years, Africa has produced...
- Gemological Institute Of America | All About Gemstones - GIA
Gemological Institute Of America | All About Gemstones - GIA
- A History of Diamond Sources in Africa: Part I
1 Ιουν 2016 · From the discovery of diamonds in South Africa in 1866 until the end of 2013, Africa is estimated to have produced almost 3.2 Bct out of a total global production of 5.03 Bct, or 63.6% of all...
1 Απρ 1996 · 2019. boasts a history of 150 years of discovery and mining, forming the cornerstone of development of the core, modern economies at the southern tip of Africa. Since the discovery, in the 1860s and 1870s,…. Expand.
1 Φεβ 2019 · Since the major discoveries in the central interior of South Africa in the 1870s, diamond exploration in the region has been led by market and political factors that influence the key...
Download PDF. For more than 100 years, Africa has produced large commercial quantities of diamonds and important individual stones. The earliest official finds were made from approximately 1867 onward, in sands and gravels of the Orange and Vaal Rivers in South Africa.
Gemological Institute Of America | All About Gemstones - GIA
1 Φεβ 2019 · Since the discovery, in the 1860s and 1870s, of the secondary diamond placers and primary diamond-bearing kimberlite deposits in the central interior of the then Cape Colony and Orange Free State, southern Africa has endured as the pre-eminent diamondproducing region in the world.
