On January 26, 1905, the course of gemstone history was altered forever in a small town near Pretoria, South Africa. During a routine inspection at the Premier No. 2 mine, Frederick Wells, the mine’s ...
A pair of diamonds that formed hundreds of kilometers deep in Earth's malleable mantle both contain specks of materials that form in completely opposing chemical environments — a combination so ...
Resources and economy. Exploring the wealth of Africa's natural resources and the history of foreign intervention in Africa's ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results