Lucara's Karowe mine in Botswana has emerged as the world's leading producer of very large diamonds. A reputation cemented by the discovery of the second-largest gem-quality diamond ever ...
About 46% of rough diamonds are for industrial purposes, while 19% are used as gem-quality polished mineral stones. At the close of 2019, diamond stock prices were at the bottom with some diamond ...
"Black Diamond Mines Regional Preserve is definitely one of the Bay Area's hidden gems, because it's something most people haven't seen before," said East Bay Regional Parks Naturalist Jaclyn ...